Ample Quantity: you will get 16 pieces black 3 digit combination locks, providing with 1000 3 digit password combinations, the suitcase lock is keyless for easy and safe travel, and the quantity is sufficient to meet your different needs, you can also share them with family, friends and classmates .Portable Size: each luggage lock measures about 2.17 x 0.83 x 0.59 inch/ 5.5 x 2.1 x 1.5 cm, and the shackle is about 1/8 inch/ 0.3 cm in diameter, weighing about 26 g, fits most standard zippers and keyholes, the backpack lock is lightweight and compact for easy storage and portability without taking up too much space or burdening you .Sturdy Material: the small combo lock adopts galvanized alloy lock body and hardened alloy steel lock shackle, and the combination wheel adopts zinc alloy, which is corrosion resistant, waterproof, weather resistant, not easy to rust, strong and long lasting, can serve you for a long time .Easy to Set Your Own Combo: the small padlock is easy to operate, reset and set your own password; First unlock it with the initial password 000, turn the lock shackle 90 degrees in counterclockwise, press the it down into the setting password slot, and then turn the password wheel to set password, and finally pull up the lock shackle and rotate it 90 degrees back to the original position, then the password is set successfully