Adrien Lastic Devol Cock Ring. Red vibrating cock ring is made using body safe, phthalate free materials Silicone cock ring, ABS plastic Bullet Vibrator. Vibrator requires 3 AG13/LR44 batteries. Size 6.3 inches in total length. 1.2 inches inner diameter. Cleaning: clean the toy thoroughly before and after each use with warm water and mild soap. Storage: store your Adrien Lastic toy in a dust free place and keep it away from adult toys made of other materials. Avoid leaving it in direct sunlight and never expose it to extreme heat. How to use: Adrien Lastic recommends the use of water based lubricants for easy and smooth insertion of all silicone products. Do not use Silicone lubricants, oils or creams with any silicone product, as they can degrade the material of the product and limit its performance and shelf life. Categories: Love Rings, Couples Cock Rings, Love Rings. 2 years warranty. Restricted, Amazon Restricted. 2022.