20pcs Metal Bag Purse Snap Hook 25mm Rectangle Rings Webbing Belts Buckle material:metal great for the use of collars,belts,backpacks, luggage outside dimension is approx 34 x 24mm/1.34 x 0.94""(L x W) inner dimension is approx 25 x 16mm/0.98 x 0.63""(L x W) can be used in various applications,sports equipment,pet products and so on