It is made of hard aluminum alloy and is polished with D-type aluminum alloy, which is waterproof, wear-resistant, high-strength and durable. Can be hung on backpacks, key rings, kettles and everything needed.

Length: Approximately 8.1cm
Width: Approximately 4.1cm (at the widest point)
Diameter: Approximately 0.7cm
Style: Type D

package includes:
4X D-type carabiner