Support Plus... the worlds first patented support system with added flexibility and comfort. Dual semi-circle stainless steel supports for extra stamina! Durable. stretchy. and discreet! 1.75x 1/ 4 cm x 3 cm. Durable. stretchy and discreet erection enhancers with the Support Plus system for comfort and stamina. Soft TPR (ring) Stainless Steel (supports).