1、ROBUST MATERIAL: Made from zinc alloy and stainless steel, the arch bridge buckle is sturdy and long lasting. It is treated with electroplating, giving it a bright, lustrous finish that ensures durability over time. 2、EASY INSTALLATION: The installation process for the buckle is incredibly simple. Just create a hole in the fabric and secure it with PH screws, making it user friendly for anyone looking to enhance their products. 3、VERSATILE APPLICATIONS: Square bridge buckles are commonly used for the repair and decoration of various items, including belts, bags, handbags, wallets, and crafts, making them a must have accessory for your creative projects. 4、BROAD USAGE: Bridge buckles can also be used to embellish shoes, jackets, and other clothing. They can be installed on a variety of materials, including PU leather, paper, and fabric, expanding their versatility. 5、PRIMARY USE: PU Leather bonding buckles are the ideal choice for repairing and decorating PU leather items like hats, PU leather keychains, pet collars, and wristbands, helping you add a touch of style while ensuring functionality. Item Type: Arch Bridge Buckles Material: Zinc alloy + Stainless Steel Size: Single U Shape Buckle Size: (manual measurement, there will be 0-5mm error) Outer Width: Approx. 29mm / 1.1in, Outer Height: 7.5mm / 0.3in Inside Width: Approx. 20mm / 0.8in, Inside Height: 5mm / 0.2in 20 x Arch Bridge Buckles 40 x Screw