3 years & up. Rollee Pollee™ soft fleece cot and mat covers with a built-in pillow. This compact roll-up, child friendly design allows your child to rest well. The soft foam pillow adds comfort and support. Elastic straps hold the Rollee Pollee™ onto any standard mat or cot, and there's even a nametag for easy identification. Machine washable. Double measures 25" x 50" (expands to 50" x 50"). Available in single covers and sets of 6.