Ideal Pet Products Deluxe Aluminum Pet Door with Telescoping Frame, White Durable, economical pet door with inner telescoping frame Made from high-quality aluminum with a clear polyvinyl flap For dogs and cats up to 35 pounds Installs easily and securely Measures 7 by 11 inches; limited lifetime warranty Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week! Need Assistance? E-mail Ideal Pet Products customer care specialists seven days a week!