Angels Rest Nap Mat 1" Red/Blue 3-Section Folding Mats are sealed using radio-frequency technology designed to keep classrooms as clean as possible. Waterproof seals between foam sections and around all edges protect the inner foam. Easy to clean, the durable vinyl cover has a dual-color combination to easily assign sleeping and floor sides. Mats can be used in a variety of spaces and fold easily to 24"l x 16-1/2"w x 3-1/4"h for convenient storage.