Ideal Pet Products Designer Series Plastic Pet Door with Telescoping Frame, Extra-Large, 10.5″ x 15″ Flap Size Price: $53.15 (as of 02/04/2023 08:27 PST- Details) & FREE Shipping.

Impact-resistant frame that adapts to doors ranging from 1-1/4-Inch to 2-Inch in thickness
Flexible vinyl flap with patented edges that won’t warp from use or extreme temperatures
For dogs and cats up to 90 pounds, Average install time: 20 minutes