The Fuxury 4×8 Bubble Mailer 260 Pack in black is a rectangular-shaped padded envelope made of durable polyethylene material. The self-seal closure ensures secure mailing, making it ideal for various occasions like Christmas, New Year, Halloween, Thanksgiving, and Valentine’s Day. With a size of 4×8 inches and a generous 260 pieces included in the pack, these envelopes provide reliable protection for small items during shipping and mailing. The lightweight design at 4.29 pounds makes it convenient for handling and transportation.