●HEAVY DUTY CONSTRUCTION: Reinforced inner tube surrounded by a high quality canvas cover with a mesh base for relaxed swimming in lakes and rivers all summer long ●PREMIUM CANVAS COVER: Double stitched canvas cover with integrated handles and a mesh bottom for adults up to 250 pounds ●COMFORTABLE DESIGN - Features a short "No Poke" inflation valve that works with any standard air compressor and is designed to stay in the way for maximum comfort when swimming ●Mesh bottom: mesh base plate lets some water in to keep you cool on the hottest summer days