Type: Helmet Lock Material: zinc aluminum alloy Color: blue/ white/ black/ pink Size: as Picture Shown Weight: 45g Features: 1.Helmet lock, open anti-theft mode, waterproof anti-theft anti-theft technology. 2.The combination lock design is simple and easy to use, combination lock can be set up to 1000 kinds, unlock code can be changed at any time. 3.It can lock the helmet and various bags, can be wrapped around at will, electric vehicles, motorcycles, bicycles, tricycles, items, etc. Package Include: 1x Helmet Lock Notes: The product may have an error of 1-2cm,and the color may look a little different from the picture,pls understand.