This is a B5-size packaging bag made of polyethylene. The poly material makes it water-resistant, so you don't have to worry about rain or snow. ● Thin宅配 poly bag with a thickness of 0.06mm. ● 【Size】Width 200mm x Length 250mm + Flap 50mm ● Color: White B5 size compatible Convenient for small packages! For non-standard mail, Nekopos, and Yu-packet! The inside is black, so the contents are not see-through. There may be some creases and wrinkles from the time of arrival. Please note that it will be folded in half for shipping. 宅配ビニール Click Post Yu-packet Shipping vinyl bag packaging materials wrapping