Pack of 10 Kraft bubble mailer with size 8.5 X 14.5 #3 Bubble mailer Inside dimension is 8.5 X14.25 & outside dimension 8.75 X15.5 52# Kraft paper with 3/16 bubble interior that protects valuable and fragile goods Adhesive peel & seal strip that makes it easier to pack and ship packages Padded envelopes ensure the safety of your products during transit Bubble mailers are lightweight which helps lower your freight cost