Free Shipping

Free Returns*

1-Year Guarantee

Square cushion insert with hypoallergenic polyester filling Kalsten

Square cushion insert with hypoallergenic polyester filling Kalsten

Name: Square cushion insert with hypoallergenic polyester filling Kalsten
Brand: Kalsten
SKU: 4987046783034
Price: 38.99 USD
Availability: InStock

$38.99 $77.99 SAVE $39.00 (50% OFF)

3-Day Express Shipping

Easy 14-Day Returns

24/7 Support

Color

White PP nonwoven

Size

18×18in - Non-woven 380g

16×16in - brushed fabric 350g

12×20in - Nonwoven 380g

18×18in - brushed fabric 420g

16×16in - Non-woven 330g

12×20in - brushed fabric 380g

20×20in - Fleece 440g

20×20in - brushed fabric 520g

Soft Inner Cushion for Sofa and Bed

The Kalsten cushion insert is a versatile, square inner cushion that combines comfort, shape stability, and easy care. Ideal as filling for decorative cushions or as a replacement cushion for sofa, armchair, and bed. The high-quality, hypoallergenic polyester filling provides a voluminous appearance and pleasant lying comfort.

Product Features

Shape: square – even filling for a consistent appearance
Filling: soft, hypoallergenic polyester fiber – breathable and allergy-friendly
Cover: smooth outer shell with fine texture for a clean, neutral appearance
Closure: hidden zipper for easy on and off
Care: machine washable and shape stable – easy cleaning and long-term use
Application: suitable as inner cushion for decorative cushions, sofa cushions, seat cushions, and bedroom decoration

Why Choose This Inner Cushion?

This cushion insert combines everyday practicality with high-quality comfort. The hypoallergenic filling reduces the risk of dust mite allergies, while the sturdy workmanship and hidden zipper make filling and cleaning easier. Perfect for quickly refreshing decorative cushions or giving new cushion covers shape.

Selection Notes

Select the insert slightly larger than the cushion cover to achieve a plump appearance. If you have questions about size recommendations or care instructions, Kalsten customer service is happy to assist you.

[{"id":65963945001228,"title":"White PP nonwoven \/ 18×18in - Non-woven 380g","option1":"White PP nonwoven","option2":"18×18in - Non-woven 380g","option3":null,"sku":"4987046783034","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 18×18in - Non-woven 380g","public_title":"White PP nonwoven \/ 18×18in - Non-woven 380g","options":["White PP nonwoven","18×18in - Non-woven 380g"],"price":3899,"weight":500,"compare_at_price":7799,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945033996,"title":"White PP nonwoven \/ 16×16in - brushed fabric 350g","option1":"White PP nonwoven","option2":"16×16in - brushed fabric 350g","option3":null,"sku":"4987046783033","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 16×16in - brushed fabric 350g","public_title":"White PP nonwoven \/ 16×16in - brushed fabric 350g","options":["White PP nonwoven","16×16in - brushed fabric 350g"],"price":3999,"weight":500,"compare_at_price":7999,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945066764,"title":"White PP nonwoven \/ 12×20in - Nonwoven 380g","option1":"White PP nonwoven","option2":"12×20in - Nonwoven 380g","option3":null,"sku":"4987046783031","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 12×20in - Nonwoven 380g","public_title":"White PP nonwoven \/ 12×20in - Nonwoven 380g","options":["White PP nonwoven","12×20in - Nonwoven 380g"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945099532,"title":"White PP nonwoven \/ 18×18in - brushed fabric 420g","option1":"White PP nonwoven","option2":"18×18in - brushed fabric 420g","option3":null,"sku":"4987046783036","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 18×18in - brushed fabric 420g","public_title":"White PP nonwoven \/ 18×18in - brushed fabric 420g","options":["White PP nonwoven","18×18in - brushed fabric 420g"],"price":3999,"weight":500,"compare_at_price":7999,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945132300,"title":"White PP nonwoven \/ 16×16in - Non-woven 330g","option1":"White PP nonwoven","option2":"16×16in - Non-woven 330g","option3":null,"sku":"4987046783029","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 16×16in - Non-woven 330g","public_title":"White PP nonwoven \/ 16×16in - Non-woven 330g","options":["White PP nonwoven","16×16in - Non-woven 330g"],"price":3699,"weight":500,"compare_at_price":7399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945165068,"title":"White PP nonwoven \/ 12×20in - brushed fabric 380g","option1":"White PP nonwoven","option2":"12×20in - brushed fabric 380g","option3":null,"sku":"4987046783030","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 12×20in - brushed fabric 380g","public_title":"White PP nonwoven \/ 12×20in - brushed fabric 380g","options":["White PP nonwoven","12×20in - brushed fabric 380g"],"price":3899,"weight":500,"compare_at_price":7799,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945197836,"title":"White PP nonwoven \/ 20×20in - Fleece 440g","option1":"White PP nonwoven","option2":"20×20in - Fleece 440g","option3":null,"sku":"4987046783032","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 20×20in - Fleece 440g","public_title":"White PP nonwoven \/ 20×20in - Fleece 440g","options":["White PP nonwoven","20×20in - Fleece 440g"],"price":3999,"weight":500,"compare_at_price":7999,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65963945230604,"title":"White PP nonwoven \/ 20×20in - brushed fabric 520g","option1":"White PP nonwoven","option2":"20×20in - brushed fabric 520g","option3":null,"sku":"4987046783035","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 20×20in - brushed fabric 520g","public_title":"White PP nonwoven \/ 20×20in - brushed fabric 520g","options":["White PP nonwoven","20×20in - brushed fabric 520g"],"price":4099,"weight":500,"compare_at_price":8199,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":65963945001228,"title":"White PP nonwoven \/ 18×18in - Non-woven 380g","option1":"White PP nonwoven","option2":"18×18in - Non-woven 380g","option3":null,"sku":"4987046783034","requires_shipping":true,"taxable":true,"featured_image":{"id":95423916507404,"product_id":16567914823948,"position":5,"created_at":"2026-09-23T20:38:19+02:00","updated_at":"2026-09-23T20:38:21+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701","variant_ids":[65963945001228,65963945033996,65963945066764,65963945099532,65963945132300,65963945165068,65963945197836,65963945230604]},"available":true,"name":"Square cushion insert with hypoallergenic polyester filling Kalsten - White PP nonwoven \/ 18×18in - Non-woven 380g","public_title":"White PP nonwoven \/ 18×18in - Non-woven 380g","options":["White PP nonwoven","18×18in - Non-woven 380g"],"price":3899,"weight":500,"compare_at_price":7799,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77248751796492,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/11266054248_434770586.jpg?v=1790188701"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Product Reviews

4.8

(25 reviews)

Sarah M.

This product exceeded my expectations! The quality is outstanding and it arrived quickly. Highly recommend!

2 weeks ago

James T.

Absolutely love it! Perfect for what I needed. Great value for money.

3 weeks ago

Emily R.

Best purchase I've made in a while. The craftsmanship is excellent and it looks even better in person.

1 month ago

Michael B.

Fantastic quality and fast shipping. Will definitely be ordering again!

1 month ago

Jessica L.

Really good product overall. Minor issue with packaging but the item itself is great.

2 months ago

David K.

Exceeded all my expectations. The attention to detail is impressive.

2 months ago

Amanda P.

Love this! Exactly as described and works perfectly. Very satisfied with my purchase.

3 months ago

Ryan S.

Outstanding product! The quality is top-notch and it's exactly what I was looking for.

3 months ago

Lauren H.

Very pleased with this purchase. Good quality and arrived on time.

3 months ago

Chris W.

Incredible value! This product is well-made and durable. Couldn't be happier.

4 months ago

Nicole F.

Amazing quality and beautiful design. This has become my favorite purchase!

4 months ago

Brandon C.

Highly recommend! The product is excellent and customer service was great too.

5 months ago

Megan D.

Good product for the price. Does exactly what it's supposed to do.

5 months ago

Kevin J.

Perfect! This is exactly what I needed. Great quality and fast delivery.

6 months ago

Rachel G.

Love everything about this product. It's well-made and looks fantastic.

6 months ago

Tyler N.

Exceptional quality! Worth every penny. Will be recommending to friends.

7 months ago

Olivia M.

Very happy with this purchase. Good quality and arrived as expected.

7 months ago

Daniel A.

Best product in its category! The quality is unmatched and it works flawlessly.

8 months ago

Samantha K.

Absolutely perfect! Exceeded my expectations in every way. Love it!

8 months ago

Matthew R.

Outstanding product! Great quality

fast shipping

and excellent value.

Ashley B.

Really good purchase. Minor improvements could be made but overall very satisfied.

9 months ago

Justin L.

Fantastic! This product is everything I hoped for and more. Highly recommend!

10 months ago

Victoria S.

Excellent quality and beautiful finish. This is a must-have product!

10 months ago

Eric P.

Perfect in every way! Great quality

fast delivery

and looks amazing.

Hannah W.

Love this product! It's well-crafted and exactly as described. Very happy!

11 months ago