Plain kraft boxes: unprinted brown cartons in a range of rectangular sizes, with top flaps that fold closed. They serve as plain outer cartons for shipping, storage and bulk packing.
Buyer's guide
What to check
Ply count and flute type for the carton weight
Burst strength, bursting factor and ECT tested as per IS 2771
Box compression strength for pallet stacking
Inner length, width and height, with the tolerance on each
What to ask the supplier
Kraft or duplex liner GSM for the outer and inner faces
Moisture content of the board at dispatch
Joint type, stitched or glued, and flap closure style