from 77-80" tall (top part is spring loaded/telescoping) 11 3/8" wide. all metal frame, insulated glass, magnetic bottom of pet door flap keeps it from flapping in wind, plus there is optional latchable pet door cover that can be slid in place on inside. Perfect for renters, or anyone that doesn't want to cut a hole for a doggy/cat door....pops in place in seconds with no tools. The black foam seen on edges is after market adhesive insulation stripping, it doesn't have to stay...These sell for triple digits new... to be clear, it is the aluminum one against wall - keeping the white one in use in door in picture, it matches apartment building trim... see other items for sale, discount on multiple purchases! 20% off 2 items, 30% off 3, 40% off 4, half off of 5! Want deeper discounts? count a package price from an offer as an item! for example, get a lot of wild west magazines, 3 bottles, pair of lithographs, silver plate platter & a folding rocking chair that priced individually total $715 all for just $232.50, almost $500 cheaper!