The Kiotos X Silicone Erection Ring Set is perfect for those looking to explore the pleasure of a silicone ring. Specifically designed for the tip of the penis, the set includes four rings with inner diameters of 2.4 cm, 2.8 cm, 3 cm, and 3.3 cm, allowing you to find the right fit and experience a variety of sensation levels. Made from high-quality, non-toxic silicone, these rings are safe, comfortable, and easy to clean. For optimal hygiene, the use of a toy cleaner is recommended.