Penis ring designed to help you achieve a longer-lasting and stronger erection. Two motors with 10 powerful vibration functions provide additional stimulation of the clitoris, while the ring is also ideal for stimulating the testicles. A satin storage bag is included. Made of soft, odourless, easy-to-clean and waterproof silicone and ABS plastic. Simple one-finger control using the on/off button. Inner Ø of the ring: approx. 4 cm (1.57 inch).