Now, one of KidCo's popular items is new and improved! Children are full of wonder...but sometimes they can become TOO curious and go places that are not safe. KidCo's Adhesive Sliding Door Lock helps prevent access to patios, balconies, closets and more. Plus the new design features a convenient on/off mechanism that allows you to disengage the lock when not needed! Use on glass, mirror, wood and other surfaces where drilling is impractical. Installs quickly and easily to give you peace of mind. Simply peel, position and press into place. Please note that locks are not substitute for adult supervision. Never leave child unattended. Includes (2) sliding door locks.