Muscle Smooth Cock Sheath with Length Insert from Oxballs. This brand spanking new cock sheath is made from even softer Thermoplastic Rubber TPR and unlike the Gym-Boy, this one is designed to mold to your dick with a deep sucking sensation. Now you can explore new horizons in your boyâ€™s bottomless hole with this dick massaging cock enhancer. Please even the hungriest of cock hounds by adding some serious length to your penis. Not to mention, it looks just plain nasty popping out of a gaped leaking pucker. The base is modeled after the signature Cock Sling 2 and holds this thick rubbery dong on your junk no matter how hard you are slamming in and out. If you want a tighter fit, no need to worry, each Muscle comes with a small silicone stopper that locks perfectly into the grooved indents at whatever length suits your dick. Each sheath has soft ridges that not only feel great gripping your cock, but also adds some cum churning massage sensations all up and down your penis. Lube it up and do not forget to generously coat the inside, slap it on, and enjoy the sloppy sucking enveloping your engorged member as your boy clamps his guts down on your massive Muscle dick. Made using Flex-TPR safe, non-toxic and phthalate free. Lube safe water based. Stats: overall length 9.25 inches, inner core length 6 inches, insertable length 8 inches, circumference 6 inches + the size of your penis. Weight 7.7 ounces. Color Clear.