Description from Ikea

Product Information
KRANSBORRE cushion breaks the monotony of everything rectangular. The round velvet cushion with a covered button in the middle adds a royal touch to your sofa or armchair and is easy to coordinate.
The filling in this cushion is made of recycled polyester. Using recycled material as a resource takes us one step closer to a more sustainable future.
Polyester velvet feels ultra soft against your skin.
Cushion cover : 100 % polyester (100% recycled)
Interliner : 100 % polypropylene
Filling : 100 % polyester – hollow fiber (100% recycled)