Purchased at Akachan Honpo and used for several months. There's some minor wear and tear, but I think it can still be used. Quoted from the Akachan Honpo online store ⇩ A cushion that guards the sides of a baby who moves around a lot, and helps to make it difficult for them to roll over. The cushion and mat are fixed with Velcro, so the width can be adjusted. Soft-touch Velcro is used. The adjustable width is from 15cm to a maximum of 25cm. ●Material: [Main body fabric] 100% cotton [Mat part] 100% polyester [Cushion part fabric] 100% polyester [Filling] Urethane foam ●Size (approx. cm): [Cushion part] 20 x 10 x 9 [Mat part] 18 x 43 [Adjustable size] Width 15～Maximum width 25