Clip closure
Aluminum Caribeaners: Made of superior durable lightweight aircraft aluminum alloy, rust and corrosion resistance
Durable and easy to use, improved spring clip can be opened and closed more than 5000+ times
Lightweight and Strong: Carabiner keychain clips made of aluminum
Size 1.9"(4.9cm)x0.95"(2.4cm), Diameter: 0.16"(0.4cm); Weight: 0.13oz (3.6g)
Durable Carabiner: smooth surface and a nice touch, so you don't have to worry about scratching your hands