1、This child safety lock has enough strength to complete the work of preventing babies or pets. 2、It is designed to protect your child from potential injury or danger behind the door or room. 3、Using environmentally friendly ABS material, it is durable, wear‑resistant and tear‑resistant. 4、There is a strong adhesive on the back, no perforation, can be installed directly, suitable for most standard door handles. 5、This safety lock can be easily removed with a hair dryer to avoid damaging the surface of the door. 6、It is suitable for most children about 2 years old and most small pets, and is a must‑have item at home. 7、Please make sure that door is clean and dry before installation. Press and hold the lock for a few seconds, After installation, it is best to wait 24 hours before using it. 4 x Baby Safety Lock Item Type: Baby Safety LockMaterial: ABSWeight: Approx. 102g / 3.6ozBase Plate Size: Approx. 35x50mm / 1.4x 2.0inInstallation 1.Clean and dry 2.Peel off the tape 3.Stick the lock firmly 4.Ready to work