Ideal VIP 150 Large Cat Patio Panel Pet Door

Cat Patio Pet Door insert for vinyl sliding glass doors with track thickness of at least 1 1/2"  Dual-pane, Low-e glass provides high insulation  Sliding glass door pet door insert locks to the frame Large cat flap suits cats of all sizes and small dogs Available in "off-white" only This pet door is made-to-order and take up to 7 days to ship.  It is considered custom and is non-returnable/non-refundable. The high quality Ideal VIP 150 Large sliding glass pet door insert is a made-to-order energy-efficient, vinyl pet door for sliding glass doors designed specifically for vinyl doors with larger door tracks. Pre-installed with a large, 7 ½" x 10 ½" flap, so even the biggest of kitties are able to easily fit through this sliding door insert cat flap. One of the most distinguishing features of the VIP sliding glass doggie door insert is the ability to lock with your existing doors. Unlike other sliding glass door panels, the VIP cat door insert comes with locking catches that match u