The Power Halo C-ring Set is a great value set of three cock rings designed for his pleasure. The flexible rings provide extra stamina, endurance and power. They vary in size, meaning he can choose how tight he likes it. The rings are body-safe, waterproof and made of quality silicon. Explore your masculinity and get adventurous with TOYJOY Manpower!Small: 27 mm/ 1.1 inchMedium: 32 mm/ 1.3 inchLarge: 36 mm/ 1.4 inch