Sizes range from small envelope dimensions (for example, about 8.5" x 12" outside) up to large mailers around 14.25" x 20" outside. Cushion wrap is also offered as a roll (commonly 12 in. x 60 ft.).
Many padded mailers use a kraft paper outer layer with an inner polyethylene bubble lining. Product listings also describe mailers made from polyethylene, polypropylene, or other plastic materials.
Listings commonly describe bubble-lined construction with a 2/16-inch bubble lining and multilayered bubble or air-cell padding for added protection.
Usable interior sizes vary with outside dimensions, typically ranging from about 8.5" x 11" up to about 14.25" x 19" depending on the mailer size.
Individual mailer weights in listings range from about 0.06 ounces up to 0.88 ounces, depending on the mailer size.