Pack of 250 Kraft bubble mailers with Inside dimensions 4 X 7.75 & outside dimensions 4.25 X 8.75 Design with adhesive peel & seal for easier closure and protection 52# Kraft paper with a 3/16 bubble interior for you to insert your product easily and faster Helps protect all types of products or valuable items Lightweight Golden kraft bubble mailers that keep your products safe until its final destination.