【Material】 Low-density polyethylene with a thickness of 60 microns. 【Size】 Width 250mm x Height 320mm x Flap 50mm These are adhesive tape-sealed宅配ビニール袋 (delivery vinyl bags). They can fit A4 size items, making them suitable for Yu-Packet, Nekopos, 定形外 (Teikeigai - non-standard size mail), and regular postal mail. The inside is black, so the contents are not see-through. They are waterproof, so you can rest assured even in the rain, and they are sturdy, so they won't tear easily. There are some minor wrinkles and jagged edges on the sides from the time of purchase, but there are no problems with the packaging, so please understand. They will be folded in half, neatly packaged in a wrapping OPP bag, and shipped in a brown envelope via Yu-Yu Mercari Bin. Rakuraku Mercari Bin will be shipped from a convenience store, so it will be an additional 50 yen. 【Price】 10 sheets 550 yen 20 sheets 750 yen 30 sheets 899 yen 50 sheets 1160 yen 70 sheets 1450 yen 100 sheets 1799 yen The unit price decreases as the number of sheets increases. You can purchase immediately. No price reductions, please. * You can change the number of sheets to match your points, etc., so please comment. OPP bags with adhesive tape (A4, A3, etc.) can be included, so please comment. A3 delivery vinyl bags are also available. For shipping: Packaging bags, Mercari store. Click Post packaging materials, delivery bags, wrapping.