Proline Heavy Duty Tube Tow Rope- 5/8-Inch- Yellow PVC safety float for Guaranteed buoyancy Recommended up to 2 or 4 riders, respectively Minimal stretch, safe, and durable PVC safety float for Guaranteed buoyancy PVC safety float for Guaranteed buoyancy 5/8" deluxe duty Poly-E rope Recommended up to 4 Riders Minimal stretch, safe and durable Exceeds all WSIA safety standards PVC safety float for guaranteed buoyancy