Feature: 1. Soft and Elastic: As an ejaculation vibration delay ring, soft and elastic is necessary, our delay ring makes you have a comfortable using experience. 2. Tightly Fixed: Our ejaculation vibration delay ring has 4 rings overall, 1 large ring and 3 small rings, which can be tightly fixed. 3. Adaptable to Many Sizes: The overall tolerance of the ejaculation vibration delay ring is high, so it can adapt to many sizes, no matter what size you can easily use. 4. Ergonomic Design: The ejaculation delay ring gives your partner and you the great enjoyment, and the shock ring adds extra sensation at the perfect angle. 5. Silicone Material: The ejaculation shock delay ring is made of silicone with exquisite craftsmanship and good ductility, which is very safe and practical. Specification: Item Type: Men Vibration Delay Ring Material: Silicone Total Length: Approx. 94.34mm / 3.71in Large Ring Diameter: Approx. 34.5mm / 1.36in Small Ring Diameter: Approx. 21.27mm / 0.84in Product Battery: 2 button cell batteries (included). Package List: 1 x Men Vibration Delay Ring