White boxes suitable for A6 size, a set of 400 sheets. - Size: Inner dimensions: 158mm x 115mm x 27mm (Outer dimensions: 165mm x 124mm x 30mm) - Type: Boxes for A6 size - Quantity: Over 400 sheets ※ Purchased 500 sheets (13,720 yen), and haven't used even 100 sheets, so there are definitely at least 400 sheets. As a bonus, I'll also include "Do Not Open" seals (seals that indicate if the package has been opened). #ClickPost #Yu-Mail #Yu-Packet #Teikeigai-Yubin (Standardized Mail)