The FRAMONICS silicone cover is designed to protect your Oura Ring Gen 3 from potential damage during strenuous activities. Made of elastic material, it fits all ring sizes and fully covers the ring to minimize damage and keep it in top condition. Before purchasing, carefully check the available sizes (S: 6-10, M: 11-13) and choose the case that best fits your preference and style. The slim and stretchy case is easy to slide onto the smart ring, providing maximum protection with minimal thickness. This highly protective sleeve cover not only protects your smart ring but also adds style to it, making it perfect for daily use or exercise.