ITEM NAME:20pcs 2.5cm 3cm Mental Silvery O Ring Buckle for Strap Bags Keychian Decor Description: - Material: solid zinc alloy - Features: seamless smooth, bright and no rusty. - Excellent for quick connect/disconnect belt & bag straps and more - Can be used in various applications,sports equipment,pet products and so on - Great for the use of collars,belts,backpacks, luggage Specification: - Inner Diameter: Approx. 2.5cm / 0.98inch; 3cm / 1.18inch Package Included: 20 x O Rings Note: Please read and compare the size above for a better fit before you purchase. As the size above is hand-measured, please allow 1-3cm measurement errors. Due to the light effects and monitor’s brightness, contrast settings etc., there may be a slight color difference between the pictures and the actual item..Features: seamless smooth, bright and no rusty.