18 x 16 x 40 (2 mil) Gusseted Poly Bags 250/Case cool shield bubble wrap The reinforced self-seal flap features

The reinforced self-seal flap features a wide strip of adhesive that stays closed through the roughest deliveries

and the third is the length from the opening to the seal

All boxes are standard test RSC (Regular Slotted Carton) brown corrugated and meet Federal Mil Spec PPP B 636

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

18 x 16 x 40 (2 mil) Gusseted Poly Bags 250/Case cool shield bubble wrap The reinforced self-seal flap featuresFor gussetted polybags, the first dimension is always the width, the second is the depth of the gusset, and the third is the length from the opening to the seal. All poly bag sizes meet FDA and USDA specifications for food. Your product's contents are always visible through these clear low density polyethylene bags. Gussetted poly bags provide extra space for small or large bulky items.