Made by material, durable and easy to install, not east to fall off, professional design for bag strap use. With these simple designed as a rectangular, you can adjust the backpact strap as you like. Great for your bag, belt, clothes and other projects. Features - Color: Silver. - Material: Metal. - Size: 2.9 x 2.9 x 0.4cm. - Made by material, durable, easy to install and use. - , have longer service life than simple plastic material. - Widely used in backpack, DIY, daily use, decoration field. - With these simple designed D ring, you can adjust the backpact strap as you like. - A great accessory for making your own craft or relacing your old buckles. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 4 x Buckles