FIDO cocksheaths are made from our signature FLEX-TPR and is designed to mold to your dick like a second skin, transforming it into the ultimate  stuffer. Coat the inside with lube, pop your meat in the sheath, pull your nuts through the sling, and you’re ready to pound! If you want a tighter fit or more suction grip, FIDO comes with a nub insert that is designed to “lock” into the hollow chamber to shorten the inner length . Product Details: Materials: FLEX-TPR Safe, non-toxic and phthalate free Wash in warm soapy water, air dry Waterproof  Water-based lube, hybrid or silicone lube 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. Measurements: Overall Length: 9.25”Inner Core Length: 7"Insertable Length: 8”Width: 1.75 - 2.75"Circumference: 5.5" up to 7.5"