Used only during the cold winters for children aged 1 to 6 years old. It has rubber bands on all four corners, so it can be attached to a futon. Material: Outer fabric: 65% polyester, 35% cotton, Lining: 100% polyester Size: 70cm x 120cm Color: Sky blue, light blue, emerald green Also available in pink (different color). It will be sent via the cheapest shipping method, so it is planned to be oversized mail. Discounts are available for combined purchases with other items. Preparation for entering kindergarten Nursery school Thank you for looking.