Kraft bubble mailers have an outer kraft paper surface and an inner polyethylene bubble lining. Some listings note that the paper and bubble lining are made from recycled materials.
The descriptions specify a 2/16‑inch bubble lining (approximately one‑eighth of an inch) for the padded mailers.
Useful inside dimensions listed in the product details include 8.5" x 13.5", 8.5" x 11", and 9.5" x 14.5", depending on which outside size you choose.
Common package quantities shown include 10, 25, 50, and 100 mailers, depending on the specific listing.
Individual mailer weights listed in the data range from about 0.19 ounces up to 3.78 ounces, depending on size and construction.