Designed with stylish crown shape and rotatable chain, this bottle opener ring can be matched with other fashion accessories ly. The main advantages of this bottle opener ring are high durability and sturdy construction so that it can help you remove beer cap with ease. It is made of stainless steel material. There are 7 different sizes for you to choose from. This product is ly suitable for bar, party, pub, etc. Item Name: Bottle Opener Ring Material: Stainless Steel Features: High Durability, Practical, Labor-saving Color: Black, Silver Color, Golden Color Size Details: US 6: Ring Inner Diameter: 1.65cm/0.65" (Approx.), Ring Inner Circumference: 5.18cm/2.04" (Approx.) US 7: Ring Inner Diameter: 1.75cm/0.69" (Approx.), Ring Inner Circumference: 5.5cm/2.17" (Approx.) US 8: Ring Inner Diameter: 1.85cm/0.73" (Approx.), Ring Inner Circumference: 5.81cm/2.29" (Approx.) US 9: Ring Inner Diameter: 1.95cm/0.77" (Approx.), Ring Inner Circumference: 6.12cm/2.41" (Approx.) US 10: Ring Inner Diameter: 2.05cm/0.81" (Approx.), Ring Inner Circumference: 6.44cm/2.54" (Approx.) US 11: Ring Inner Diameter: 2.15cm/0.85" (Approx.), Ring Inner Circumference: 6.75cm/2.66" (Approx.) US 12: Ring Inner Diameter: 2.25cm/0.89" (Approx.), Ring Inner Circumference: 7.07cm/2.78" (Approx.) Notes: 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. Package Includes: 1 Set of Bottle Opener Ring