Economical price: With 4 sizes available, the durable plastic frame is designed for pets up to 220 poundsFreedom for your pet: The soft, flexible flap lets your pet come and go on their scheduleControl your pets’ access: The snap on closing panel allows you to control your pet’s access and keep stray animals out of your homeDo-it-yourself installation: Cutting template, detailed instructions and installation hardware included; Fits interior and exterior people doors between 1/16 inches and 2 inches thickDesigned for medium pets: Flap opening is 8 1/4" W x 12 1/4" H and is designed for pets up to 40 poundsMatch your home’s design: The paintable plastic frame allows you to match your door’s existing colorQuality guaranteed: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations for nearly 30 years; We help pets and their people live happy togetherU.S based customer care: Let our pet product experts help