12.5 x 4 x 20 - 12G Gusseted Reinforced Mailer 250/Case cool shield bubble wrap Vent holes in these bags

Vent holes in these bags allow air to circulate

Outside Tuck Mailers

Lid snaps tight to keep contents secure

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

Textured non-slip bottom

12.5 x 4 x 20 - 12G Gusseted Reinforced Mailer 250/Case cool shield bubble wrap Vent holes in these bagsThese 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.