Ideal Pet Products Original Pet Door with Telescoping Frame, Extra-Large, 10.5" x 15" Flap Size

Impact-resistant frame that adapts to doors ranging from 1-1/4-Inch to 2-Inch in thickness. | Clear vinyl flap with patented edges that wont warp from use or extreme temperatures. | For dogs and cats up to 90 pounds, Average install time: 20 minutes. | Floating bottom threshold for perfect seal every time, Lock-out slide to keep your Ideal Pet out of mischief when unsupervised. | Pet Door Flap Size: 10.5 x 15-Inch, one year warranty.