#5 - 10 1/2 x 14 Self-Seal Jiffy Rigi Bag Mailer 150/Case Discount_5933550108762_10 These strong poly envelopes are

These strong poly envelopes are made from strong polyolefin and are water

Note the box style in the product description

Shippers arrive with foam glued to the top and loose on the bottom

molded foam container protects contents from crushing and breakage

Retention Packaging System holds product securely within its proprietary retention frame and revolutionary film membrane

#5 - 10 1/2 x 14 Self-Seal Jiffy Rigi Bag Mailer 150/Case Discount_5933550108762_10 These strong poly envelopes areOur Jiffy Rigi golden kraft flat mailers will not bend or crush your product. No tape or insert stiffeners needed. Our rugged, stiff fiberboard is ideal for photos, artwork, documents, discs, or certificates. Mailers close easily with self seal adhesive.