Get the safety lock system that has been proven stronger and help keep your little explorer from accessing off-limit cabinets and drawers. The Safety 1st Adhesive Magnetic Lock System is simple-to-install and proven stronger against the competition. It's easy for parents to use, but the key is simple to keep up high and out of your child's reach. The locks are installed inside the cabinets so that they will stay invisible to both your child and visitors passing through. In side by side comparisons with leading competitors using real life toddlers, the Safety 1st Adhesive Magnetic Locks were strong enough to keep even the cleverest of toddlers out. Even in lab testing using state of the art mechanical pull force equipment, Safety 1st outperformed the competition. Toddler Tested. Proven Stronger.