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The Express Mail Flat rate is daily up against the `019 Flat Rate for regular Priority mail envelope at $7.35 (same effective date).What are the dimensions of a flat rate box?
UPS flat-rate boxes range in dimensions from 18 inches by 13 inches by 3 inches for the largest box to 13 inches by 11 inches by 2 inches for the smallest box. The medium-sized box is 16 inches by 11 inches by 3 inches. The weight limit is 30 pounds for the large box.What is a large flat rate box?
The regular large flat rate box is 12 X 12x 6 inches. The flat rate game board box is longer and shorter, but has the same 1/2 cubic foot capacity.