[Safety No Flap Cat Door]: The safest and cutest way to let your cat in and out of closed doors. Smooth, wide opening allows your cat to pass through safely, without tails getting snagged or caught. [Reliable & Safe Material]: Made with high-quality ABS plastic, our 10.82 x 9.44 inch cat door is designed for safety, durability, and your cat's privacy. Roaming around the house should be just as easy for your cats. [Easy DIY Installation]: Our indoor cat door comes with easy-to-follow instructions and sturdy screws for a more secure, foolproof installation. Includes a step-by-step manual and traceable template so DIYers can set up this pet door for interior doors in minutes. [No Training Needed]: This cat door has no flap and requires no training. Your cat will understand how to use it naturally, just like with a litter box. It's that easy. [About Size]: Measures 10.82 inches high and 9.44 inches wide and is designed to fit pets weighing up to 20 pounds.