Coleman EasyStay 4-N-1 Single High Airbed, Twin/King Versatile air mattress can be used as 2 twins, a king, or a double-high twin AirTight system and Double Lock valve help prevent leaks ComfortStrong coil construction for better support and superior comfort Approximate inflated dimensions: 73 x 38 x 8 inches each; fits king and twin sheets Supports up to 300 pounds; designed for indoor and outdoor use