Envelope, Kakuni (Size 2) - 90 sheets A4 clear files fit. Slightly smaller outer dimensions than the maximum size for Yu-packet and Click Post. It's Kakuni (Size 2). Because it's an envelope-style case, there's no need to assemble it. Double-sided tape is attached to the flap, allowing for efficient packing. ♦ Dimensions (outer): Length 330 x Width 240 + Flap 43mm ♦ Color: White ♦ With sealing tape ♦ With opening zipper ♦ No gusset ♦ Type: Horizontal envelope ♦ Weight: Approximately 61g per sheet ■ Please refrain from purchasing if you are concerned about the product being stored at home. Thank you for reading to the end.