Features: Sturdy alloy construction ensures long time performances for frequent backpacks strap adjustments, accessory with most standard strap. With corrosions resistant materials secure fastens strap while enabling smooth length for comfortable. Addition for students, commuters, and enthusiasts seek hardware upgrades for schoolbags, travel packs, and sports equipment. Effortlessly adjust backpacks strap during commuting, or hiking trip with this rustproof metal ladder buckle. Sturdy metal ladder buckles combine functional strap management with aesthetic for repairs on bags, camping and equipment. Specifications: Materials: Alloy Color: As Picture Show, Four Color to Choose Size: 3.8x3.1cm/1.5x1.22inch, Diameter 2.6cm/1.02inch Package Includes: 10pcs Backpacks Buckles note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.