The especial love rings for even greater potency - feelings - stamina. It should exist a certain potency. Internal diameter of the particular love ring: 16 mm, 21 mm and 26 mm. The respective ring strength 6mm and strength of the slot 3 mm. Due to the slot a different stress effect arises. Max. 30 min. wearing time. Material: TPE. Medico-technical examined and protected by the patent office