Framed photographs or artwork - take the glass out of the frame and wrap it separately. Electronic items - remove batteries and wrap them separately. For extra identification, place a return address label inside the package. After packing, gently shake the box. If nothing moves, it's ready to be sealed.
All flaps ame length.
Outer flaps overlap specified amount. All flaps same length. Outer flaps overlap not less than inside width of box minus a maximum of 1 inch. Full Telescope Half Slotted Box Two-piece box, both sections of slotted style. These items can be purchased at your local Post Office.