【Material】 Made of 60-micron thick low-density polyethylene. 【Size】 Width 250mm x Height 320mm x Flap 50mm Shipping bags with tape. They fit A4 size, so you can use them for Yu-Packet, Nekoposu, standard mail, and regular mail. The inside is black, so contents are not visible and do not show through. They are waterproof, so you can use them with peace of mind even in the rain, and they are sturdy and difficult to tear. Please note that there may be some slight wrinkles and jagged edges on the sides from the time of acquisition, but these do not affect their use for packing. They will be folded in half, neatly packed in an OPP bag for wrapping, and then placed in a brown envelope for shipping via Yu-Yu Mercari便. For Raku-Raku Mercari便, shipping from a convenience store will incur an additional charge of 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 price per sheet decreases as the number of sheets increases. You can purchase immediately. Sorry, no price reductions. *If you wish to use points, you can adjust the number of sheets to match your points. Please leave a comment. We can also include A4 and A3 OPP bags with tape. Please leave a comment. We also sell A3 shipping bags. Shipping bags Mercari Store. Click Post packing materials shipping bag wrapping