6 x 6 island-raft-water mat: expandable, floating raft platform Island for you and friends heavy duty lake-ocean water Mat: outstanding buoyancy and stability Made from 60% thicker material than your normal pool float. Expandable water Mat: heavy duty zippers on three-sides for connecting multiple mats to create a big Island. Connect as many as you want! ! Water activated fabric: luxuriously comfortable cozi-soft fabric gets bolder and brighter when wet. Anchor dock points: Mooring loops anchor points for boat, dock or shore; heavy duty construction; 100% satisfaction . Ez in-out air valves: inflates or deflates easily with Boston two-way valves for ultimate ease-of-use. Inflation recommendation: we recommend using a portable air pump to inflate our premium pool lounges and platforms inflated size: 67. 5” x 67. 5” (331 cm x 171cm) maximum weight capacity is 500 lb (226 kg)