9 1/2 x 14 1/2 - #4 Reinforced Mailer 500/Case 8x8 box High strength seams will keep

High strength seams will keep contents intact even if over packed

Tested and shown to be the coldest and best gel refrigerant available

economical way to organize and store your inventory

Economical Shippers are light-weight

Dividers increase your storage options by allowing you to mix different products in the same bin

9 1/2 x 14 1/2 - #4 Reinforced Mailer 500/Case 8x8 box High strength seams will keepThese 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.