Quantity: you will get 1 pieces u shape child cabinet locks. How to Use: first determine the lock's orientation, with the straight edge facing outward and the curved edge aligning with the cabinet door; Thread the lock from the correct end until you hear clicks; Test by gently pulling; It should stay secure under toddler force; Avoid unlocking in front of toddlers or pets; This design allows tool free installation without drilling, magnets, or adhesives; Simply use as needed Sturdy ABS material: made of quality ABS material ensuring more durability, the child safety cabinet lock is designed to work well with cabinets or cupboards with knobs or handles in a row; Please be in mind that the sliding cabinet lock is adjustable, and ensure knobs are less to 4.7 inches/ 12 cm between each other Wide applications: these cabinet locks can help to prevent your little ones from reaching to kitchen cabinets, side by side refrigerator, cupboards, storage doors and make them stay out of trouble, can be applied in kitchen, bathroom, pantry room, bedroom etc.; And these sliding cabinet locks, reusable and convenient, are suitable for all kinds of mushroom shaped round knobs and D-shaped or annular handles, safely keeping curious babies and active pets away from cabinets Convenient and novel design: childproofing and home safety can be achieved through the sliding cabinet locks; This adult friendly, stylish and slim design of the child proof product allows adults to open and close it easily and the smooth edges allow your toddler to examine them and not get poked or scratched.Attentions: the sliding cabinet lock is adjustable to secure knobs up to 4.7 inches apart on center