The PetSafe® 4-Way Locking Interior Cat Door gives you control of your cat's indoor access. The 4-way lock allows your cat to have access to their food and litter box or move freely between rooms throughout the house. This cat door is easy to install and fits doors 1 1/8 inches - 2 inches thick. This door is best for cats who weigh up to 15 pounds. Trust PetSafe® to help keep your pet healthy, safe and happy. Key Features *Designed for Your Cat - The high-impact, white plastic door frame has a transparent, hard flap *4 Lock Options - Customize your cat’s access with 4 locking options; locked, unlocked, in-only and out-only; allow your cat to have access to their food and litter box or move between rooms *Interior Cat Door - Fits interior doors that are 1 1/8 inches to 2 inches thick *Cat Size - Flap opening is 5 1/2 inches x 6 1/8 inches and is designed for cats up to 15 pounds System Includes: -Cat Door -Foam tape -Screws -Cutting template -Product manual