Perfect Compatibility: This silicone cover is compatible with Oura ring gen 3, Oura ring 4, Oura Ring Ceramic, Samsung Galaxy ring, and Ultrahuman ring air. Highly elastic soft material makes Oura ring cover perfectly match the smart ring, without affecting functionality and data accuracy. Available in a variety of sizes, please choose [S] for sizes 4/5/6/7/8/9/10, [ M ]for sizes 11/12/13/14/15.

Internal Anti-Slip Texture Design: The Oura ring gen 4 cover has undergone a brand new upgrade, adopt ergonomic design principles and add an anti-slip diamond-shaped pattern design inside. Scientifically enhances the frictional attraction between the ring and silicone Oura ring cover gen 4, making the ring evenly stressed. Protector for Oura ring securely wraps the ring, tightly fitting the outer and edge parts to prevent the ring from easily fall off when fingers sweat.

Anti-Scratch&Easy Installation: YWXTW Ultrahuman ring cover is made of high-quality silicone, you can wear for gardening, fitness, swimming, rock climbing, and extreme sports. The Ultrahuman ring air protector provides comprehensive protection for smart ring, effectively prevent scratch, collision, drop, and abrasion, keep your ring brand new and increase service life. Easy to install, just put it on, high toughness makes it very convenient for you to put on or take off.

Skin-friendly&Easy to Clean: Protector for Samsung Galaxy ring is lightweight and ultra thin, with a thickness of only 0.004 inches/1mm and a weight of 0.05 ounces/1.3 grams, making it almost imperceptible. This Samsung Galaxy ring cover is made of food grade silicone and has passed skin sensitization test. Comfortable to wear without tighten. Any stains on Samsung ring cover can be easily wiped off with wet tissue or towel, effortlessly keep clean all the time.

Blends of Color: Cover for Oura ring gen 3 has 4 color groups with 12 colors, you can choose your favorite color group and wear according to different occasions and moods. Each group has 12 packs, meeting all your protection needs at once. Not changing color, not fading, simple and fashionable design, distinguish you from other rings, make your ring unique, and you will receive praise from others. Let these Oura ring gen 4 protectors add fun to your life!