Enjoy powerful suction with this pair of powerful suction cylinders. There's nothing hotter than a sexy pair of nipples standing at attention. Or maybe your nipples are feeling a bit inadequate, perhaps it is time to give them a good suck and add some kink with the Colt Nipple Pro-Suckers. Twist once for a light suck, twist some more for an erect set. Sensitize those nips while getting a full hands free view of them. <br /><br />The Colt line of toys are made of high quality materials that are phthalate free and waterproof. For a better seal use your favorite water based lubricant. Color Red, Clear. Materials Acrylonitrile Styrene AS cylinder, ABS plastic cap, plunger, Silicone seal. Length 4 inches, insertable length 1.5 inches, width 1.5 inches overall, 1.3 inches internal.