About this item [Compatible] The elastic silicone ring protective cover is designed for the RingConn Gen 2/2 air. Note: Only Cover, smart ring not included. [Fit Size] Please check your smart ring size and choose the correct ring cover size. S for ring size 6/7/8, M for ring size 9/10/11, and L for ring size 12/13/14. [Perfect Protection] The silicone ring protective cover completely wraps around the RingConn Gen 2, helping to minimize scratches and damage during daily use or exercising. [Easy to Clean] This silicone ring cover is washable. When the ring protector case is covered in dust, simply clean it with water and wipe it dry with a soft cloth to restore cleanliness. [Easy to Use] This Smart Ring Cover is very convenient to put on and take off and can be charged without removing the protective case. Size: 3.11 x 2.91 x 0.59 inches.