Ideal Pet Products Original Pet Door with Telescoping Frame 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. 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: Small - 5" x 7" Flap Size, one year warranty. Manufacturer Warranty does not apply to product purchased through Amazon Warehouse Deals Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!