4PC Silicone Ring Cover Compatible with Oura Ring 4/Ring 4 Ceramic/Ring Gen 3/UL

Compability Oura Ring 4 / Gen 3 Oura Ring 4 / Gen 3 Oura Ring 4 / Gen 3 Oura Ring 4 / Gen 3 Oura Ring 4 / Gen 3 Oura Ring 4 / Gen 3. Exact Fit Smart Ring: The Size "S" of Ring Protector Compatible with Oura Ring 4 (4/5/6/7/8/9/10),Oura Ring 4 Ceramic (5/6/7/8/9/10),Oura Ring Gen3(6/7/8/9/10),ULTRAHUMAN Ring AIR (5/6/7/8/9/10).

eBay