Enjoy intense penis stimulation with the Rolling Head Cup Masturbator. The cup is easy to hold and has an ultra flexible center that allows you to make twisting motions. Remove the protective foil and twist the cap from the bottom. Insert your semi-erect penis into the flexible silicone tube. The ribbed and studded interior makes it feel realistic. The Tenga Rolling Head Cup comes with lubricant, so you can enjoy a fantastic penis massage right out of the box! The Tenga Rolling Head Cup was designed to be single use. Want to use it more than once? Then use a condom for hygienic reasons. Lubricant ingredients: Water, Glycerin, Sodium Polyacryalate, Phenoxyethanol, Methylparaben, Hydroxypropylcyoclodextrin, IPBC, Hydroxyethyl Cellulose.