suitable for 4PCS Silicone Rings Guard for Oura Rings Gen Flexible Soft Anti-Scratch Silicone Protector for Working Out-YI WU CHUN HUI 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. It'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, it'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. It's not just a rings protector - it'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 Material: Silicone Size: S: for circle size 6-10, M: for circle size 11-13 Please pay attention to the title and description when buying, and pay attention to the title and description when buying.