Blue Wave Sports LayZRiver Inflatable 1-Person Swim Float Mattress Oversized 1-person float with a large surface area: 81.5-In L x 35.5-In W Unique curved/tapered design making it easy to slide on and off Single air chamber with double-locking valve guarantees Airtight seal Durable heavy-duty 18 Gauge PVC vinyl I-beam construction provides strength and comfort Reinforced anti-leak high frequency double-welded seams Extra large valve for quick inflation and deflation Quick-clasp connection system to connect your float with others Includes easy-to-use repair patch kit