【Package includes】There are 4 pieces sliding glass door child locks in the package, enough quantity to meet your various needs; Before ordering, please make sure the working space over 0.42 inch/ 1.0 cm, and below 1.18 inch/ 3.0 cm, these locks can b 【Designed for curious kids】Keep important belongings from young child proof sliding door or hung window with durable and effective lock; This kid stopper can withstand the pulls and tugs of babies and children, keep doors and windows opened in safe. 【Package includes】There are 4 pieces sliding glass door child locks in the package, enough quantity to meet your various needs; Before ordering, please make sure the working space over 0.42 inch/ 1.0 cm, and below 1.18 inch/ 3.0 cm, these locks can b 【Strong durability】Never worry about window safety locks broken with high quality ABS plastic, stainless steel spring and strong adhesive tap. Child proof window locks will not lose effectiveness or power even when you routinely open and shut your sl 【Simple installation】Installing sliding door lock has never been this easy, no drilling tools needed! Simply clean the working area for this lock, peel off adhesive and stick this device onto the desired location of sliding doors for your patio, clos