The XPS 60' 2-Rider Tube Rope with Float helps you ride with comfort and confidence. Its pre-stretched, 3/8"-dia., 16-strand Poly-E rope stands tough against all usual boating conditions. The XPS 60' 2-Rider Tube Rope with Float also boasts a rugged design that exceeds WSIA break-strength requirements for 2-rider tubes. Exceeds all WSIA safety standards. Pre-stretched 3/8"-dia. 16-strand Poly-E rope Exceeds WSIA break-strength requirements Exceeds all WSIA safety standards