Ultradurable? - State-of-the-art construction has no exposed hem which eliminates fraying. Steel frame with integrated feet provides the ultimate in durability. Ultrarest? - Patent pending design allows cot to flex making naptime more comfortable. Ergonomic shape fits children's bodies better and provides more usable space. Ultrasafe? - Completely enclosed, no-gap design prevents small fingers and toys from getting lodges in openings. Ultraclean? - Unique foot design has no channels or wells to collect dirt and germs. Podz? eliminates those tough-to-clean areas. Fabric can be cleaned again and again. Ultrastack? - Podz? stack in less space than all other cots! 20 cots stack less than 2 feet high. Ultraorganized? - MyPodz? Numbering System makes it easy to assign cots and keep things organized. 54-1/4"L x 28"W x 4-3/4"H. 10-year warranty.