[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 up. [Reliable & Safe Material]: Made with high-quality ABS plastic, our 10.82 x 9.44" 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. To-follow manual and traceable template so DIYers can set up this pet door for interior doors in minutes. [No Training Needed]: This cat door no flap is no training needed. Your cat will get it the same way he did with his litter box It's that easy. [About Size]: Measures at 10.82" high and 9.44" wide and is designed to be a large cat door to fit pets that weigh up to 20 lbs.