Square bottom bag recommended as non-standard mail. Square bottom bag that corresponds to the standard size of non-standard postal charges, June 2017. *Please check postal office for postage details. Please make sure to check the dimensions and weight are in accordance with postage fee regulations. Outer Dimensions (Height): 13.4 inches (340 mm), Outer Dimensions (Width): 9.8 inches (250 mm), Outer Dimensions (Gusset): 1.2 inches (30 mm), Tsubo: 4.2 oz (120 g). Color: Craft Standard: 2 squares, Quantity: 100 sheets