Envelope, Kakufuto No. 2 Size, High Quality, 250g Coated Cardboard, Mail Delivery *Kakufuto No. 2 size is also known as Kakugata No. 2, an irregular size that can fit A4 size documents without folding. Along with Nagasan envelopes, it is one of the most commonly used shapes for company envelopes. A4 A4 clear files fit. The flap is folded and packaged simply in a waterproof OPP bag or宅配ビニール袋 (delivery vinyl bag). Slightly smaller outer dimensions than the maximum size for Yu-Packet, Yu-Packet Post, and Click Post. Kakufuto No. 2 size. *Not the size for Nekopos delivery when laid flat. *When using with the flaps folded tightly, it supports Nekopos size (30.5cm wide x 21.5cm long x 2.5cm thick). Tape required on the four corners. A4 copy paper can be inserted smoothly even when placed in a slightly larger clear file. Double-sided tape is attached to the flap. Dimensions (outer): Length 332 x Width 240 + Flap 55mm, Gusset 2.5mm Material: Coated cardboard Color: White Sealing tape included Opening zipper included Format: Horizontal envelope Material: 250g/㎡ (thick paper (coated cardboard)) Weight: Approximately 45g per sheet