Product Ultra-thin design: 0.5 cm thick with a strong magnetic force. Zero space on magnetic cabinet closure, good for use on cabinet door, drawer and sliding doors or windows. Also perfect for closing shutters. Working principle: magnetic catches are door closer clasps that work on the principle of magnetic adhesion. You can install this sticky magnet for doors without drilling screw holes by using the included adhesive. Save time and also protect your expensive cabinet or door from damage. (Specify screws for your installation) Easy to install: the double-sided adhesive tape of the door magnet is super adhesive, so you can attach it securely to the door without drilling. No need to punch holes, save valuable time and protect expensive homes from damage. Each magnetic door closer has a single magnet that keeps the constantly opening cabinet door, drawer or jewellery box securely closed. Durable: metal material, specially designed for use in the sea, outdoors or in wet environments such as kitchens and bathrooms. This door lock magnet comes with high-quality stainless steel screws. You don't have to worry about the screw being easily broken during installation. Installation steps: stick double-sided tape on the magnet and iron piece. Confirm the installation location. Insert the magnet and iron piece into the cabinet door. Press the double-sided adhesive tape to ensure a firm connection. After installing the strong magnetic film, the door is no longer easy to loosen by itself.