Ripple connects a rubbery c-ring to a shaft with rippled, taint-rubbing humps, to a plug designed to work your prostate. Every movement, every tug pulls on the plug and rubs your taint. It feels amazing. MATERIAL: plus+silicone(TM)TPR/siliconeblend DIMENSIONS: Length:8″ Width:.75-1.75″ Depth:1-1.75″ Plug largest circumference:4.75″ Plug smallest circumference:3.25″