Features Simple Use: With minimal thickness added to the rings and maximum protection, the Silicone Rings Cover shell is thin, flexible, and fits over the smart rings with eases. Material: Made from top-grade, food-safe silicone, Rings guard is soft, wipeable and washable, as well as incredibly comfortable to wear. It39;s designed to withstand rigorous daily activities, keeping your cherished rings free from scratches, dust, and potential damage. Fit Function: Rings Guard effortlessly stretches to accommodate various rings sizes, ensuring a snug fit over your jewellery. Its slim-profiles maintains the feel of wearing your rings without the worry. Addition, it39;s easily washable, ensuring your rings stay clean and shiny. Everyday Essential: Whether you are working out, doing DIY tasks, or enjoying a day at the beach, Rings Guard is your perfect companion. It39;s not just a rings protector - it39;s an everyday essential for rings wearers who value their jewellery. Multi-purpose Design: Safeguards your smart rings effortlessly during workouts, weightlifting, or any sporting events with our Silicone Rings Cover, ensuring it keeps shielded and secure. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Silicone Size: S: for circle size 6-10, M: for circle size 11-13 Package List: 4PCS Silicone Rings Guard for Oura Rings Gen