T-B4 Mailing Bag, Courier Vinyl Bag, Courier Bag B4, Packaging Material, Shipping Packaging Bag, Waterproof Courier Poly Bag, Shipping Bag

☆Speed Shipping Certified Shop☆

Quality Assurance



Product Number: T-B4b100

Color: White

Type: Thin

Material: PE
☆Size☆
W280mm x H350mm + 40mm
*Please refer to Figure 2 for the +50mm.

Thickness: 0.055mm per sheet, 9g per sheet
Please use the weight as a reference.

100 sheets - 950

?Easy packaging with one-touch tape!
Strong adhesive, no worries about it coming off during shipping ?

?Thin and lightweight, yet tear-resistant and durable!

?The inner black film prevents contents from being seen, protecting your privacy!

?Water-resistant vinyl material, safe for rainy or snowy days ?


For shipping documents, DVDs, paperback books, stationery, clothing, and more.

These are mailer bags compatible with various shipping services such as Kuroneko, DM-bin, Nekoposu, Yu-packet, Click Post, and Postapacket.


*Ships folded, with creases.

*There is a smell when brought close to the face, but it is not a strong or irritating smell.

*Each sheet is counted by hand before shipping.
In the unlikely event that there are a few missing sheets or a product defect, there are two options: 1) We will send the missing quantity. 2) We will add extra to your next purchase. Please choose one, and rest assured. (If you choose 1), your address will be required.)

*We inspect and remove defective items before shipping, but there may be minor imperfections compared to higher-priced items.
We ask for your understanding as we offer this product at a low price.

*Please note that the packaging will be simple.

*The color may vary slightly depending on your monitor environment and manufacturing date.

*There may be slight errors in size.

*While tear-resistant and durable, as it is a vinyl material, it is not resistant to sharp objects or scratches.

*Some specifications may change without prior notice due to product improvements.
Please understand this in advance.