Label:Yes Product use: protect the ring and reduce bumps and scratches Product color: black, transparent ,white ,pink,purple, Product material: food grade silicone Product weight: 5g Product size: S for 6 7 8 9 10, M for 11 12 13 (optional) Product features: easy to clean, long use time, soft Size:2.36*1.66*1.03cm(0.93*0.65*0.41in) Product Size: S size: outer diameter 23.6mm(0.93in), inner diameter 16.6mm(0.65in), thickness 10.3mm(0.41in) M code: outer diameter 26.6mm(1.05in), inner diameter 19.6mm(0.77in), thickness 10.3mm(0.41in) Package includes: 1 x Silicone Ring Cover Note: This product is only a protective case and does not include for Oura Ring smart ring Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm(0.39-0.79in) measuring deviation due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin