Used a few times. Washed. Please only purchase if you understand that this is a used item. We do not accept returns from those seeking a pristine item or those who are overly concerned about details. Outer fabric: 100% cotton. Filling: 100% polyester. Lining: Ground: 100% polyester, polyurethane (waterproof material). Will be shipped via Rakuraku Mercari delivery, slightly compressed, and in a simple宅配袋 (delivery bag) package.