12.5 x 4 x 20 - 12G Gusseted Reinforced Mailer 250/Case cool shield bubble wrap Use with refrigerants such as

Use with refrigerants such as Cold Packs

Vent holes in these bags allow air to circulate

This deep red colored mailer is a sure way to catch the attention of your recipient

Bubble lining protects contents from damage while outer thermal material helps maintain a desired temperature

Perfect for displaying product brochures or booklets

12.5 x 4 x 20 - 12G Gusseted Reinforced Mailer 250/Case cool shield bubble wrap Use with refrigerants such asThese 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.