Measures 79″ x 83″, with enough space for 6 to 8 adults Three-layer build with a soft top layer, a cushioned middle pad, and a waterproof fabric backing Four corner pockets can be filled with sand or rocks to hold the blanket down in wind Rolls up to a compact 15″ x 15″ bundle and weighs 2.3 lb. Machine washable for easy cleaning Doubles as an indoor play mat in addition to outdoor use at the beach, park, or campsite