Ideal (Perfect Pet by Ideal) Plastic "Air Seal" "Ultra-Flex" Pet Door

Ultra Flex pet door for dogs and cats Three-part flap promotes energy efficiency Fits into doors 1 ¼" - 1 ¾" thick  Comes in white only Sizes available in medium and large/extra-large The cost-effective Ultra-Flex Dog Door features a three-part flap made of hollow, polycarbonate material to provide prime insulation. The three parts have flexible hinges between them for added comfort during use. Surrounded by plastic weather stripping, the draft resistant seal prevents wind and weather from entering your home. This pet door will provide energy efficiency and keep you and your pet happy.  Features: Sizes available in medium and large/extra-large White, ABS plastic frame is durable and non-corrosive Telescoping frame installs in doors 1 ¼" ’ 1 ¾" thick High insulation value Flap swings on a rod for longer use Benefits: Three-section flap design keeps the door airtight Thicker flap prevents dogs from chewing them Allows your pet the freedom to come and go as they please