Ideal Pet Products Ruff-Weather Pet Door with Telescoping Frame Color:White; Durable, energy-efficient all-weather pet door with inner telescoping frame Made from structural foam molded plastic with clear vinyl insulated flaps For dogs and cats up to 90 pounds Flap Size is 9.75" x 17" Measures 9.75 x 17 inches; limited lifetime warranty Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!