Butch is a cocksheath with a built-in COCKSLING-2 attached at the base. The sling keeps this firmly melded to your body no need to worry about it slipping and sliding. Each BUTCH cocksheath comes with a fitted bullet insert designed to help you customize the fit and feel. The blubbery insert is designed to "lock" into the inner chamber, letting you adjust the tightness of the inner length on your shaft.  Product Details: Material: TPR  Made from body-safe & soft materials Adjustable fit cocksheath extender by Oxballs Comes with bullet insert to adjust fit & feel Built in cocksling for lasting erections Textured interior massages you & your partner Measurements: Overall Length: 8.5”/ 21.59 cm Width: 2”/ 5.08 cm Main hole circumference: 4.25"/ 10.80 cm Shaft hole circumference: 3.5"/ 8.89 cm Inner shaft length: 4.75”/ 12.07 cm Ball hole circumference: 3.5"/ 8.89 cm Smallest usable shaft circumference: 5"/ 12.7 cm Largest usable shaft circumference: 6"/ 15.24 cm Weight: 6.7 oz