Whiskers & Windows Custom Cat Door For Sliding Glass Doors

Customizable height cat door for sliding glass doors with easy installation and removal. Spring-loaded frame adjusts up to 3 inches for an optimal fit, available in white and black color options. Aluminum frame available in black or white, and vinyl frame is available in white only; both are durable and corrosion-resistant Four-way locking flap provides security and access control, with foam weather stripping for insulation. The Custom Whiskers and Windows Sliding Cat Door is a quick, affordable way to give your cat or small dog access to the backyard. This sliding glass door insert doesn't require drilling or cutting and it installs in seconds. The aluminum frame can be installed into sliding glass door tracks at least 1" wide. The vinyl frame needs a track width of at least 1.5".  The Custom Whiskers & Windows Cat Door for Sliding Glass Doors is a perfect solution for granting your feline friends or small dogs access to the outdoors without compromising the aesthetics of you