Flex your MUSCLE with our girthy flexTPR cocksheath that adds thickness and length to any sized guy. It's designed to mold onto you with a deep sucking sensation. The shaft has a thick, flared head and is lined with ridges that stroke like a JO toy. The base is our signature COCKSLING-2, it keeps this rubbery strong penetrator in place no matter how hard you pump. To adjust for a tighter fit, MUSCLE comes with a bullet insert. Our ADJUSTFIT stopper locks perfectly into the grooved indents in the inner chamber at whatever length suits your dick. Each sheath has soft TPR ridges that not only feel great gripping your cock, but also add some cum-churning, sucking sensations all up and down your fuckstick. Made of our softest, rubbery, incredibly stretchy flexTPRthe right smooth stretch that doesnt pinch. Phthalate free and no scent. LUBE SAFE: Water-based lube, hybrid or silicone lube recommended. Oil-base lubes not recommended. CARE: Wash after use in warm soapy water, air dry. Store toys separately: we recommend storing in breathable cloth pouches or for larger toys, in cotton socks.