12 1/2 x 9 1/2 x 1 Gusseted Self-Seal White Rigid Mailer 100/Case self-seal paper envelopes Expandable envelopes are great for

Expandable envelopes are great for shipping books and other bulky items

Also available in regular sizes both in color and clear plastic bins

Large grip side handles

try our large sturdy plastic bins to organize your facility and control inventory

Easy-to-fold sides also help to protect and stabilize your product in transit

12 1/2 x 9 1/2 x 1 Gusseted Self-Seal White Rigid Mailer 100/Case self-seal paper envelopes Expandable envelopes are great forOur White Rigid Mailers will not bend or crush your product. No tape or insert stiffeners needed Our rugged, stiff fiberboard is ideal for photos, artwork, documents, diskettes, or certificates. These White Rigid Mailers are made from white chipboard.