Triangular Support Designour Sliding Door Locks Limit And Stop The Opening Of Sliding Doors According To The Ingenious Design.The Switch Is Concealed, The Adult Is Easy To Open, But It Is Difficult For Child And Pets To Open.Environmental Materialchild Safety Sliding Door Lock Made Of Strong Abs Rubber, Tough And Durable, Non-Toxic And Tasteless.White, Sleek And Inconspicuous, This Kid Proof Lock Is Designed To Blend Seamlessly Into Your Home Without Taking Up Much Space.No Tools Are Neededinstall With A 3M Adhesive Tape, Just Pull Spare Part 90 Degrees Up To Lock, Only A Few Seconds To Finish Installation.Extra Tpr Soft Rubber Added On The Contact Area To Protect Door Or Window From Scratches.Quick And Easy!!Multi-Purpose Usethese Slide Door Locks Can Be Install On Sliding Door, Sliding Window, Patio, Closet, Shower, Window And Wardrobe Etc.It Also Allows Working On Lots Of Flat Surface Like Glass, Wood, Plastic And Metal.With This Device, It Prevent Your Children/Pets In Danger And Keep Them Stay Inside Safely.