Simple lock for locking sliding doors of glass breeding cages for reptiles and more. The lock with a key makes opening and closing difficult. This is a very convenient item for you. Very easy to install and apply by simply sticking. How to install: 1. Attach the "slide lock" to the top and bottom of the glass sliding door. Please wipe the surface of the glass clean before applying the lock with tape. 2. Sliding lock: If the protrusion is placed on the surface of the product will cause the lock. (In order to prevent escaping, please install the lock in 2 places above and below for added peace of mind. Do not use for 24 hours until the tape is securely attached to the glass surface. Caution for Use: Please check the gap between the glass door of the installation cage before purchasing. (Sliding door gap size: within 3.8 - 10 mm); Please do not use for 24 hours until the tape is fully adhered to the glass surface. Repositioning the adhesive strength will weaken. This product is a simple lock. We are not responsible for damage caused by escaping or injury. ◆ Check the adhesive strength of the tape is weak due to washing, etc. To prevent escaping, please lock it in 2 places above and below for added security.