Description This is a bike lock which is made of materials for durable long time use. The lock comes with alloy material, which is not easy to be broken. The ring shaped design let you convenient carry and lock your bike. Features -Material:Zine-alloy and PVC-Size:13.00X10.50X2.00cm/5.11X4.13X0.79in-Small and portable, safe and anti-theft-Convenient and fast, the key is cumbersome and complex, difficult to copy, and the security and anti-theft performance-Zinc alloy material is strong and durable, safe and anti-theft, anti-corrosion and anti-rust-Steel cable, safe upgrade, strong anti-shear and anti-theft ability-Anti-theft lock core, high safety factor, PVC integrated wrapper lock body, comfortable hand feeling, long service life, can effectively prevent scratching the frame Packing list: 1 x ring lock2 x key