Square Cotton Stuffed Chair Pad Soft Seat Buttocks Chair Cushion Pad with Strap for Home/ Office Kitchen(Purple) Cotton SIZE:40cm*40cm(2-3cm measurement error). With a little Lover Keychain as free gift. Chair pad: 100 % cotton. Filling material: 100% Expandable Polyethylene Machine washable for easy care. Easily keep the chair pad in place The chair cushion has two identical sides so it can be turned over for even wear