Zips Tie Designs: Combination bike is designed with zips tie designs, which is for you to adjust the tightness according to actual needs; 3 digit passwords is also for you to remember and operate Easy to Carrying: The weight is light, Bicycles Combination is lightweight and easy to carry, very suitable for attaching to your bike or suitcase so you can use it whenever you needs it Easy to Operate: Easy to use, not need to open, passwords to, Combination for bicycles is and fast to operate, very practical, and save trouble for everyday use : The head features alloy, and built-in stainless steels strip, the passwords strap features nylon, so making Bike Combination not easy to break Wide Application: Widely used in your bicycles, helmets, motorcycles,, therefore this multiple purpose combination Bike can be apply to provide security for your belongings