Thank you for viewing. This is a B5-size宅配ビニール袋 (shipping vinyl bag) with tape. The inside is black, so the contents are not see-through. 【Product Specifications】 Size: B5 size, approximately 200 x 250 + 50 (mm) Manufacturing Error: Approximately 10mm Material: LLDPE Polyethylene Thickness: 60 microns Color: White Quantity: 100 sheets 【Packing and Shipping】 ・Shipped in a shipping vinyl bag. ・Shipping from Tokyo or Kanagawa. 【Other】 ・Brand new, unused ・Free shipping ・Anonymous shipping Because it's made of vinyl, you can use it with peace of mind even in rain or snow. It comes with tape, so just put your items in and seal it! No troublesome work is required when packing. If you're wondering how to use your points or coupons, why not give this a try?