High Security Keyed Lock --- Each chain piece of WOTOW bike lock is made of 0.39inch thick steel alloy, tough and unbreakable, bolt cutter drill and saw proof. Instead of code combination, the lock comes with 3 unique notches designed keys, the coincident rate is only 0.02%.

Long Chain with 8 Joints --- WOTOW foldable lock opens to 35inch / 90cm chain link circumference, flexible enough to lock bikes to most nearby poles, trees, or other stands racks and bars easily. It also could lock 2 bikes together, provide protection for both when you do outdoor exercise with friends.

Compact and Easy Carrying --- With dimension of 12*6*4 cm / 4.72*2.36*1.57 inch(L*W*H) and weight of 28.2oz/0.80kg, the small folded shape make it not only easy to be stored in backpack or bike bags, but also can be locked on bike seat tube. It fit for many different bikes such as mountain bikes, road bikes and commuting E bikes. Perfect gift for father’s day!

Scratch-proof & Reflective --- The surface of the foldable lock is covered by soft silicone, anti-slip for easy grip, resist corrosion from water, dust, and effectively prevent scratches. The mounting come with a reflective sticker, which help to alert other bikes or cars behind, provide night commuter and cyclists a safe riding.

1 Year Warranty --- We provide 100% money back guarantee and 12 months warranty. Contact our customer support team anytime if any issue. Tips: This bike lock is best used for basic security. Never leave your bike locked outside for long periods of time, especially in high crime areas.