Precision Fit Design for Enhanced Protection: The ring protector is meticulously crafted with a 1:1 real machine mold, specifically designed to safeguard compatible with Oura Ring Gen 3. It sports a comprehensive wrap-around design that ensures full coverage without compromising the functionality of the smart ring. Suitable for ring sizes M, 10, 11, 12, 13, it offers a universal fit that caters to various users Superior Quality Material for Comfort and Durability: Crafted from high-quality liquid silicone, the elastic ring cover boasts a soft and elastic touch that feels comfortable on your skin. Its durable, anti-slip, shockproof, drop-resistant, scratch-resistant, easy-to-clean, and environmentally friendly characteristics not only protect but also highlight the natural beauty and lines of the compatible with Oura Ring Gen 3 Exceptional Protection During Physical Activities: The smart ring skin cover provides comprehensive coverage for your smart ring, which is crucial for protecting it during physical activities. Whether you're exercising, weightlifting, or engaging in any activity that involves significant hand movement, this protective case reduces the risk of scratches, bumps, and falls, ensuring your ring remains in pristine condition Ease of Use Without Added Bulk: Made with elastic silicone, the protective case is light and thin, yet snug and comfortable, ensuring it doesn't feel bulky or cumbersome. It seamlessly slides onto your smart ring, fitting comfortably without the risk of falling off. This design adds minimal thickness to the ring, ensuring maximum protection without compromising its sleek profile Minimalist Design for Maximum Protection: The protective cover is engineered to add the least amount of bulk while offering the highest level of protection. Its ease of application and removal makes it a user-friendly accessory that maintains the ring's original aesthetic appeal. Enjoy peace of mind knowing compatible with Oura Ring Gen 3 is well-protected, without sacrificing its natural elegance or functionality Specification: Product material: skin-friendly silicone Product size: M for 10 11 12 13 Product features: easy to clean, long use time, soft Product use: protect the ring and reduce bumps and scratches Outer circle: 2.9cm, inner circle: 2.5cm, height: 1cm