Two vibrating cock rings with different grade of flexibility. Many possibilties. One around the penis, the other around the balls. OrFor an ultimate feeling and longer erection. Two vibrating cock rings with different grade of flexibility.For an ultimate feeling and longer erection. Uses 2xmicro batteries 4 extra batteries included Material 100 Platinum Silicone Manzzz Toys products are made of 100 medical grade high qualitysilicone. This material is the best and safest material that can be utilised in erotic products. This very same material is already widely used in various other applications such as in food service and in the healthcare industry. Silicone feels as soft as natural skin warms quickly and stays warmlonger than other materials. The material is odourless flavourless non porous and softener free. Furthermore our products are all hypoallergenic and are easy to clean with simple warm water and mild soap. Manzzz Toys products are the most innovative environmentally sustainable and safe erotic products currently available on the market. All our products are CE certified and meet all of the RoHS guidelines. Use only water based lubricants with Manzzz Toys products. Do not use silicone based lubricants.