Protect Babies- Ideal for keeping babies out of areas that could endanger them, such as swimming pools, patios, balconies and medicine cabinets, etc. Easy to Install- Its easy to protect your baby at home with this device. Simply peel off the adhesive tape and apply to desired surface. Convenient Design- Keyless design means you simply flip it over to unlock and press it again to lock it. WIDELY USED- The device fixing tape is designed to be compatible with most sliding wooden doors, glass doors and mirrored doors, it will stay in place. place even if your baby pulls it. SAFE TO USE- One-step locking and unlocking procedure, easy to determine by seeing if this plastic child safety lock is really locked.