Thank you for viewing! These are adhesive-strip shipping vinyl bags, larger than A4 size. The inside is black, so the contents are not see-through. 【Product Specifications】 Size: Larger than A4, approximately 270 ~ 280 x 350 + 50 (mm) Manufacturing Error: Approximately 10mm Material: LLDPE Polyethylene Thickness: 60 microns Color: White Quantity: 50 sheets 【Packing and Shipping】 ・Will be folded in half for shipping. ・Shipped from Tokyo or Kanagawa. 【Other】 ・Brand new, unused ・Free shipping ・Anonymous shipping Made of vinyl material, so you can use them with peace of mind even in rain or snow. With the adhesive strip, just put your items in and seal! No troublesome work is required when packing. If you're wondering how to use your points or coupons, why not give these a try?