【PROTECT YOUR CHILD】- Ideal for preventing your child from accessing areas that could put them in danger, such as swimming pools, patios, balconies and medicine cabinets, etc. 【EASY TO INSTALL】- With this device, it is very easy to protect your child at home. Simply peel off the tape and apply to the desired surface. 【CONVENIENT DESIGN】 - The keyless design means you only need to twist to unlock and push to lock again. 【WIDELY USED】 - The adhesive strip used to secure the device is designed to be compatible with most wooden, glass and mirror sliding doors to stay in place even when your child pulls on it. 【SAFE TO USE】 - One-step process to lock and unlock, easy to determine by observing whether this plastic child safety lock is really locked or not.