The RIZE! Ribz is the ultimate stroker. The soft ribbed orifice strokes and massages you as you control the tightness by applying desired pressure. Self-lubricating, just add saliva or water and youre ready to play. It glows in the dark to add excitement to your night! Ribz is open-ended, easy to clean and contains no phthalates, paraffins, or latex. Self-lubricating Just add water Soft erotic feel Snug ribbed canal Glow in the dark Squeezable for preferred pressure during use Open-ended and easy to clean Contains no phthalates, paraffins or latex 5.25 inches of flexible depth 13,3 cm Lab tested and verified to contain no unsafe compounds Silicone, water-based, hybrid lube safe