Ideal Pet Products Chubby Kat Cat Door with 4 Way Lock, 7.5" x 10.5" Unbreakable LEXAN Flap Durable, low-maintenance, weatherproof cat door with inner telescoping frame Made from clear, weather-resistant, unbreakable Lexan For weight-challenged cats up to 25 pounds Installs easily and securely Measures 7.5 x 10.5 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!