Outer Frame Size W x H 9 7/16'' x 11 7/16'' Flap Opening Size W x H 8'' x 9 1/4'' For Pets under 30 lbs. Rustproof, strong ABS frame. Works with metal or fiber screen doors. Easy to install. Panel has locks to keep pets from going out. Ceramic magnets ensure flaps always closes completely behind your pet. Opening is 8'' x 10''. Easy-to-follow installation manual. Can also be installed in screened windows between the kitchen and patio as a food and drink pass-through.
