Kutocesy Hollow Penis Plug Stainless Steel Metal Urethral Dilators Stimulation Urethra Sound Catheter Male Masturbation Stick SeReceiving list: 1X Penis Urethral Plug Caveats: 1. Always clean the urethral stick before use. 2. Adequate lubricant can help you use the. 3. Use is recommended to be gentle and slow. 4. It is normal to feel a little discomfort at the beginning, stop when you feel resistance and continue next time. 5. Pure hand measurement, the size may not be exactly the same as the size given in the picture, there will be a small error, i s normal.