*** Please allow up to three weeks for delivery *** This door gives your pet all the freedom he needs. This solid aluminum frame installs easily and the soft, transparent single flap provides a tight weather seal. The locking panel on the exterior door ensures that youre always in control of when and how the door is used. Features: solid aluminum construction Locking panel Color: White Transparent single flap for weather-tight seal Easy do-it-yourself installation for this dog door Fits doors from 3/8 to 2 inches thick Dog Door Dimensions - 16 3/8 x 27 1/4 Dog Door Flap Opening Dimensions - 13 5/8 x 23 Great for pets from 12 - 220 pounds