Thank you for viewing. Due to the thickness of the product during shipping, please note that it cannot be combined with other items or have the quantity increased. This is a No. 3 long envelope (Nagagata 3-go) size, a standard envelope that fits A4 paper folded in thirds. This product has a postal code frame (〒枠). This item is not subject to price reduction. The specifications are as follows: Envelope back sealing method: Center seam Postal code frame (〒枠): Yes Postal size: Standard Dimensions: 235 x 120mm Basis weight: 70g/m2 Thank you for your understanding.