specification: Color: pink, white, green, blue. Material: ABS, Size: 6 6cm. Function: Child safety lock. Lock the drawers and refrigerator doors to avoid pinching children. It is easy for adults to open the door, but it is difficult for children to open the door. Stick to the refrigerator, this technique can protect the safety of children, and does not affect the use of the refrigerator. Widely used in drawers, cabinets, toilets and drinking fountains.