Features: 1. High Compatibility: This black ring's design allows it to fit most brands and models of penile pumps, providing great convenience for users. 2. Wear-Resistant and Durable: Made of high-quality, durable materials, this ring can withstand repeated wear and tear, eliminating the need for frequent replacements. 3. High Comfort: Ergonomically designed to fit snugly against the user's skin, ensuring comfortable use without discomfort. 4. Safe and Non-Toxic: The materials used in this ring meet health requirements; they are non-toxic, harmless, and safe to use. 5. Easy to Clean: The smooth surface of the ring prevents dust accumulation, making it easy to clean and helping you maintain good personal hygiene. 6.This product is for adults only. Minors (under 18 years of age) should not purchase it. Specification: 100% brand new quality. Item Name:silicone sealing ring Material:silicone Color: As the picture shows Size:As the picture show(1inch = 2.54cm) Quantity:1 pcs Package includes: 1 pcs silicone sealing ring Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.