9 1/2 x 14 1/2 - #4 Reinforced Mailer 500/Case Discount_5933550108762_10 Lids can be fastened and

Lids can be fastened and locked for added security

literature

Sturdy construction withstands high usage

books and catalogs

Sold 6 per case

9 1/2 x 14 1/2 - #4 Reinforced Mailer 500/Case Discount_5933550108762_10 Lids can be fastened andThese envelopes are constructed from laminated fiberglass strands between kraft paper layers which adds extra tensile strength and superior protection against grease, water, and oil damage. The laminated fiberglass reinforcements protect the bags against tearing, puncturing, and abrasion. Being unpadded, these reinforced bags cost less to mail. Secure enclosure for mailing items that don't require cushioning.