Box Gobbler XL - Package Only Wall InsertProduct Description: This package safe is one of the best lockable mailboxes and features a secure wall hatch that is great for commercial applications. Features: Has a 28 x 28 inch opening for when the 94% of all packages isn't enough from our 1428 model K Flex 2 inch Insulated door helps maintain heating and cooling efficiencies 4 6 digit keypad controller unlocks the door, just enter the code, open the door and then place packages in Top Quality