High-Quality Zinc Alloy Round Buckles With A Corrosion-Resistant Oxidized Gold Finish. Each Buckle Features An Easy-To-Use Built-In Spring For Secure Closure. Perfect For Diy Crafts Handbags Backpacks Keychains And More. Includes 30 Buckles Each With An Outer Diameter Of 3.3 Cm And An Inner Diameter Of 2.5 Cm. Not Suitable For Climbing.