Uline LogoBag Guide

Use this guide to determine which bag is right for you.

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 heavy weight bags for maximum strength.

Types of Bags
  Brand Names Thickness (Mil) Description
Flat Poly Bags Flat Poly bags Uline 1, 2, 3, 4, 6, 8 Storage for food, parts and clothing.
Reclosable Poly Bags Reclosable Uline & Minigrip 2, 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 Reclosable Bags Gusseted Bags
Flat Poly Bags
MODEL
NO.
WIDTH LENGTH
S-954 6" 10"
Reclosable/Resealable Bags
MODEL
NO.
WIDTH LENGTH
S-3934 18" 20"
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.

Drum Capacity
  • 1 gallon
  • 2 gallons
  • 3 gallons
  • 4-5 gallons
  • 6-7 gallons
  • 7-10 gallons
  • 8-10 gallons
  • 12-16 gallons
  • 20-30 gallons
  • 30-33 gallons
  • 33 gallons
  • 40 gallons
  • 40-45 gallons
  • 50-55 gallons
  • 60 gallons
Bag size
  • 12 x 18"
  • 14 x 20"
  • 18 x 24"
  • 20 x 30"
  • 24 x 23"
  • 24 x 24"
  • 24 x 30"
  • 24 x 33"
  • 30 x 36-37"
  • 32 x 50"
  • 33 x 39-40"
  • 40 x 46-48"
  • 39 x 46"
  • 36 x 60"
  • 38 x 60"
Drum Liner
 
Select a conversion tool to use:
Mailers/Boxes
•   Mailer Size - Input item dimensions to determine the correct mailer dimensions.
•   Master Packing Box - Find a box that holds a number of smaller boxes of the same size.

Bags/Polytubing
•   Poly Tubing Width - Input item diameter to determine the correct poly tubing width.
•   Flat Bag for 3D Items - Input item dimensions to determine correct flat bag size.
•   Box Liner - Input Box dimensions to determine correct bag/liner size.
•   Bag Size for Round Items - Input round item dimensions to determine correct bag size.
•   Gusseted Bag size for 3D Items -   Input item dimensions to determine correct gusseted bag size.

Measurements
•   Length - Convert length between different units of measure.
•   Thickness - Convert thickness between different units of measure.


Flat Bag For 3D Items
 
Length of Item:
in.
Width of Item:
in.
Height of Item:
in.
Box Liner
Length of Box:
 in.
Width of Box:
 in.
Height of Box:
 in.
Bag Size for Round Items
 
Diameter of Item:
 in.
Height of Item:
 in.
Gusseted Bag for 3D Items
 
Length of Item:
in.
Width of Item:
in.
Height of Item:
in.
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