TPR Thermoplastic Rubber
Is a polymer blend that combines the ability to process like plastics with the durability and flexibility of rubbers. TPR is resistant to fatigue, tearing and has high impact strength.
Since this material is somewhat porous, it is recommended that you use a condom. Thermoplastic rubber toys should not be boiled and can only be cleaned with warm water and soap or toy cleaner.
Since it is a thermoplastic water-based lubricants and silicone based lubricants can be used on this material without destroying the product.