Wildkin Polka Dots Nap Mat A favorite with preschools, daycares, and as a starter sleeping bag for little ones Rigorously tested to ensure that all parts are lead-free, bpa-free, phthalate-free, and conform to all rules and regulations set forth by the CPSIA. Conforms to U.S. flammability test requirements for sleeping bags as set forth in CPAI-75. 20in. W x 50in. L Cotton/polyester exterior Conforms to U.S. flammability test requirements