What is Mil Strength?
A "MIL" is one thousandth of an inch and measures the thickness of the bag. The higher the MIL strength, the more your bag can hold.
- 1 MIL
Lightweight, great for temporary storage. - 2 MIL
Most popular thickness, used for shipping light parts, clothing or protecting food. - 3 MIL
Offers added protection, used for document storage, healthcare, restaurants, and kit manufacturers. - 4 MIL
Offers heavier protection, used for items such as industrial parts and hardware. - 6 MIL
Very strong, protects against punctures and tears, used for parts, gears and heavy metal objects.
How to Measure Flat Poly Bags
Flat Poly Bags
Width (W) x Length (L)
How to Measure Zipper Bags
Reclosable "Zipper" Bags
Width (W) x Length (L)
Zipper bag measurement does not include the zipper and lip.
How to Measure Gusseted Bags
Side Gusseted Bags
Width (W) x Depth (D) x Length (L)
A gusset is a triangle shaped fold on either side of a bag. The gusset is considered the depth of a bag.