Made of zinc alloy, high toughness steel wire, the seamless joint is great for anti-thief, anti-dust, and anti-erosion, small and classic. It can collect 10 fingerprints, is easy to use, one hour for a full charge to unlock 8,000 times, rechargeable by USB cable. Easy to carry and widely used for indoor and outdoor use, gym lockers, suitable for suitcases, golf bags, handbags, school lockers, furniture, wardrobes. A custom logo is available. The price for over 5,000 pcs is for sea shipment.