American-made envelopes 255 x 330 mm, A4 size New, unused, but because they have been stored for a long time, they are considered to be in near-new condition. The paper quality is more durable than Japanese envelopes. Also, they come with an aluminum holder, so they can be used repeatedly. There are about 70 sheets, so if you need any, please let us know the quantity in advance, and we will set the shipping cost.