The Petsafe Plastic Pet Door allows your dog to move freely in and out of your house or garage. The frame of the door is paintable to match any décor. It has a soft flexible tinted flap that easily passes either way through the door, yet keeps out drafts and insects. Comes with a snap-on closing panel for severe weather or times when you don’t want the dog to use it. Fits doors that are up to 2 in. thick. Available in Medium with flap opening size 8 1/8 in. wide x 11 ¾ in. high and Large with flap opening size 10 1/8 in. wide x 15 ¾ in. high, please specify when ordering.