*** 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 interior door ensures that you’re always in control of when and how the door is used. 7-7/8″ x 11-3/4″, Small, White, Pet Door, Solid Aluminum Construction, Locking Panel, Transparent Single Flap For Weather Tight Seal, Easy Do It Yourself Installation, Fits Doors From 3/8″ To 2″ Thick, Dimensions: 7-7/8″ x 11-3/4″, Flap Opening Dimensions: 5-1/8″ x 7 5/8″, Great For Pets Up To 15 LB.