About this item 70% Polyester, 30% Cotton Imported LOUNGE, SNOOZE OR SLEEP ? Nap time at preschool or chill time at home. Our extra thick and long sleep mat is a cozy solution for school, family movie night, or a sleep over. CONVERTS TO A BACKPACK ? Patented design strategically folds up to be carried right on your child?s back. The Bulkie includes backpack straps sized for kids and securely clips together with two simple buckles. There is also a convenient top-carrying handle, because, as we all know too well, parents usually end up carrying everything. GROWS WITH YOUR CHILD ? When used with the pillow turned down, it is 48 inch length for kids 2-4 years old. As your child grows, simply flip the pillow up for a full 56? length, sized for kids up to age 7. COZY AND SOFT ? There is a reason we named this sleep mat the Bulkie ? it is comfy, cozy, and cushy. Our Bulkie sleep mats have a quilted 100% cotton flannel inner blanket lining and the body is constructed of a soft blend of cotton and polyester materials. AWARD WINNING COMPANY ? The Urban Infant is the winner of the prestigious Mom?s Choice Award, the National Parenting Center Seal of Approval, as well the National Parenting Product Award. We don?t mess around. We design usefully unique products for parents.