SX For You Beginnerâs Harness is an evolution in adjustable strap-on systems. Comprised of 2 strong silicone support rings, there's no need to measure dildos ever again. Fasteners secure the support rings making SX For You Beginner's Harness compatible with all dildos - even extreme dildos! Durable constructed strap-on harness is for first timers and advanced players alike. The performance pad is constructed from velvety smooth faux leather and the adjustable straps are soft nylon for comfortable wear. SX