Uline Logo Bag Guide

What is Mil Strength?

A "Mil" equals one thousandth of an inch and measures the thickness of the bag.

Poly Bags

1 Mil Lightweight protection for temporary storage.

2 Mil Most popular thickness for shipping parts, clothing or protecting food.

3 Mil Added protection for parts and hardware.

4 Mil Heavier protection for industrial parts and tools.

6 Mil Protects against punctures and tears.

8 Mil Super heavyweight bags for maximum strength.

Types of Bags
STYLE Brand Names Thickness (Mil) Description
Flat Poly
Flat Poly
Uline 1, 2, 3, 4, 6, 8 Storage for food, parts
and clothing
Reclosable Poly Bags
Reclosable
Uline, Minigrip® &
Ziploc®
1.2, 2, 2.7, 4, 6, 8 Closure keeps out
dirt and moisture
Gusseted Poly Bags
Gusseted
Uline 1, 2, 3, 4, 6 Expandable sides form to the shape of your product
Slider Poly Bags
Slider Zip
Uline & Hefty® 2.7, 3 Produce a durable, airtight seal with every bag
Resealable Bags
Resealable
Uline 1.5, 4 Quickly package your items with self-seal
adhesive lip
Poly Tubing Poly Bags
Poly Tubing
Uline 2, 3, 4, 6 Cut the needed length for a variety of bag sizes
Bags On A Roll
Bags on a Roll
Uline & Autobag® 1, 1.5, 2, 4 Pre-opened and perforated for easy insertion
and tear-off
Measuring A Bag
Poly Bags

Flat Poly Bags
MODEL
NO.
WIDTH LENGTH
S-954 6" 10"
Reclosable Bags
Reclosable and
Resealable Bags
MODEL
NO.
WIDTH LENGTH
S-3934 18" 20"
Gusseted Bags

Gusseted Bags
MODEL
NO.
WIDTH DEPTH HEIGHT
S-7494 8" 4" 18"
Gallon to Bag Size Conversion

Easily convert capacity to bag size using this table. This is meant to be a guide; individual needs may differ.

Capacity Bag Size (W x H)
1 gallon 10 x 11"
2 gallons 13 x 15"
3 gallons 18 x 24"
4-5 gallons 20 x 30"
6-7 gallons 24 x 23"
8-10 gallons 24 x 30"
12-16 gallons 24 x 33"
23 gallons 29 x 46"
20-30 gallons 30 x 36"
33 gallons 33 x 39"
33-44 gallons 35 x 50"
40-45 gallons 40 x 46"
44-55 gallons 36 x 58"
55-60 gallons 38-39 x 58"
65 gallons 44 x 55"
75 gallons 52 x 60"
95 gallons 58 x 62"
96 gallons 63 x 50"
Drum Liner
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