1.This penis plug is made of safe and high-quality materials that are easy to clean. However, please remember to apply a large amount of lubricant before use for better enjoyment2. Can be worn for a long time. This type of penis plug can be easily inserted while providing pleasant stimulation3. The urethral amplifier adopts high-quality design, which can better fit the contour of the urethra, fully stimulate the urethra, and allow you to enjoy unprecedented sexual pleasure4. This penis duct is a waterproof product, so you can play with it anytime and anywhere, whether you're in the bathtub or shower, you can have fun playing with it5. If you have any questions during use, please contact us and we will reply to your message within 24 hours