LayZRiver Inflatable Swim River Float Tube 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