Custom Moisture Barrier Bags from a Variety of Materials

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Moisture barrier bags, (sometimes called foil bags, alufoil bags or Mylar bags), are one of the most effective packaging solutions on the market today to protect against corrosive damage caused by humidity, moisture, oxygen, salt spray, aromas, grease and other airborne contaminants. These materials are a low waste alternative to other rigid packaging options meaning less material ends up in a landfill.

All our bags are heat seal bags, made by fusing materials together with an industrial heat sealer. Some of our bags are available with a materials are also available with a zipper closure to make them reclosable moisture barrier bags.

Click to learn more about each type of material:  

 
Standard flat bag sizes (in inches) include:
  2 x 3
2 x 4
3 x 3
3 x 5
4 x 4
5 x 5
6 x 6
  5 x 7
8 x 8
8 x 10
9 x 9
10 x 12
10 x 14 

 

  12 x 12
12 x 15
12 x 20
18 x 20
20 x 20
AND LARGER 

 

No size is TOO big. Just ask!We can make bags in any size. We have covered items as small as electronics components and as large as jet planes. 

 

Foil (Mylar) Moisture Barrier Bags

foil moisture barrier bagsProtect 470 Moisture Barrier Bags

Protect 470 Moisture Barrier Bags are made from MIL-PRF-131 Class 1 material and are certified to MIL-DTL-117 Type I Class E Style 1 specifications.  These bags protect contents from the damaging effects of moisture and oxygen.

  • Material structure is OPP/PE/Foil/PE
  • Material WVTR less than .0005 grams per 100 square inches in 24 hours
  • Heat Seal Bags & Reclosable – Zipper Seal
  • Tear and Puncture Resistant
  • Protect from light, air and moisture vapor
  • MIL-DTL-117 Type I Class E Style 1
  • Material is 5 mils thick
  • Any size from to 2” x 3” to ANY – no size is too big

Available as:

  • Heat Sealable Flat Bags – 3 sealed sides and open on one end. Any size from 2″ x  3″ to ANY dimensions.  We specialize in large moisture barrier bags!
  • Resealable Flat Bags (Reclosable with a Zipper Closure) – available in sizes from 2″ x 3″ to 20″ x 24″.  
  • Heat Sealable Stand Up Bags or Pouches
  • Custom Constructions: 3 dimensional, round bottom, multi-sided, etc.

heavy duty foil moisture barrier bags green linerProtect 100 Moisture Barrier Bags

These are super heavy duty moisture barrier bags. They have all the properties of Protect 470 Moisture Barrier Bags, with added puncture and tear resistance.

  • Material structure is Biax Nylon/PE/ Foil/FE/Heavy Duty Coex
  • Material WVTR less than .0005 grams per 100 square inches in 24 hours
  • Heat Seal Bags & Reclosable – Zipper Seal
  • Tear and Puncture Resistant
  • Protects from light, air and moisture vapor
  • MIL-DTL-117 Type I Class E Style 1
  • Material is over 7 mils thick
  • Green interior

Available as:

  • Heat Sealable Flat Bags – 3 sealed sides and open on one end. Any size from 2″ x  3″ to ANY dimensions.  We specialize in large moisture barrier bags!
  • Resealable Flat Bags (Reclosable with a Zipper Closure) – available in sizes from 2″ x 3″ to 20″ x 24″.  
  • Heat Sealable Stand Up Bags or Pouches
  • Custom Constructions: 3 dimensional, round bottom, multi-sided, etc.

CALL US to order your custom bags: 1-800-644-4032 or send us a message.


kraft foil moisture barrier bagsKraft & Foil Moisture Barrier Bags

Protect KF Moisture Barrier Bags

These are heavy duty moisture barrier bags with an outer layer of 40 lb Kraft paper and interior layers of aluminum and low-density polyethylene. Bags are made from MIL-PRF-131 TI Class 2 material.

  • Material structure  40 lb Natural Kraft /1 mil LDPE/ .0003 mil Aluminum Foil/3.2 Mil LDPE
  • Material is 8 mils thick
  • Material WVTR is less than .0006 grams per 100 square inches in 24 hours
  • Protect from light, air, and moisture vapor
  • Greaseproof
  • Kraft foil heat seal bags
  • Bags are certified to MIL-DTL-117 Type II Class E Style 1 specifications

Available as open-ended flat bags: 3 sealed sides and open on one end. Any size from 2″ x  3″ to ANY. No size is too big.  All bags are made to order with a standard lead time of 2 weeks for manufacturing.

CALL US to order your custom bags: 1-800-644-4032 or send us a message.


Kraft & Poly Moisture Barrier Bags

kraft and poly moisture barrier bagsProtect PK1 Moisture Barrier Bags

These bags are made of Kraft paper and polyethylene.  There is no foil layer in these bags. This material is certified to MIL-PRF-121 Type I Class 1 specifications. Bags are certified to MIL-DTL-117 Type II Class C, Style 1 specifications.

  • 60# Natural Kraft Paper/Polyethylene
  • Material is 7 mils thick
  • Waterproof
  • Greaseproof
  • Kraft heat seal bags
  • MIL-DTL-117 Type II Class C Style 1

Available as open-ended flat bags: 3 sealed sides and open on one end.  Any size from 2″ x  3″ to ANY. No size is too big.  All bags are made to order with a standard lead time of 2 weeks for manufacturing.

CALL US to order your custom bags: 1-800-644-4032 or send us a message.


clear moisture barrier bags transparentClear Moisture Barrier Bags

Protect 2000 Moisture Barrier Bags

Protect 2000 moisture barrier bags are ideal for protecting contents that need to be inspected during storage.  The military uses these bags to protect critical components, such as bearings, from corrosion. Protect 2000 material is certified to MIL-PRF-22191 Type 1 and bags are certified to MIL-DTL-117 Type I, Class E, Style 2.

  • Material structure is barrier film / laminate/ film / laminate/ HS film
  • Material is 5 mils thick
  • Material WVTR Less than .017 g per 100 square inches in 24 hours
  • Heat seal bags
  • Protects from air and moisture

Available as open-ended flat bags: 3 sealed sides and open on one end. Any size from 2″ x  3″ to ANY. No size is too big.  All bags are made to order with a standard lead time of 2 weeks for manufacturing.

CALL US to order your custom bags: 1-800-644-4032 or send us a message.


Static Shielding Moisture Barrier Bags

Protect ESD Moisture Barrier Bags

These moisture barrier bags have layers that also provide protection from electrostatic discharge (ESD) and electromagnetic interference (EMI).  This material also has anti-static properties, so it can be introduced into static sensitive environments without generating The material is certified to MIL-PRF-81705 Type 1 specifications, and bags are certified to MIL-DTL-117 Type I, Class F, Style 1 specifications.

  • Materials structure Met-PET/PE/Foil/ESD-Sealant
  • Material is 5 mils thick
  • Electrostatic Discharge Shielding
  • Electromagnetic Interference Shielding
  • Surface Resistivity

Available as:

  • Heat Sealable Flat Bags – 3 sealed sides and open on one end. Any size from 2″ x  3″ to ANY dimensions.  We specialize in large moisture barrier bags!
  • Resealable Flat Bags (Reclosable with a Zipper Closure) – available in sizes from 2″ x 3″ to 20″ x 24″.  
  • Heat Sealable Stand Up Bags or Pouches
  • Custom Constructions: 3 dimensional, round bottom, multi-sided, etc.

CALL US to order your custom bags: 1-800-644-4032 or send us a message.


Packaging Considerations

Because there are several factors to consider when selecting a moisture barrier bag, we prefer to speak with our customers to recommend the best material for each project. Your satisfaction and project success are our #1 concern!

When we speak with you, we’ll ask about:

  • Types of materials being packaged (wood, steel, plastic, copper, electronics, machinery, etc)
  • Dimensions of the items to be packaged
  • Storage or shipping conditions
  • For items being stored, duration of storage

CALL US to order your custom bags: 1-800-644-4032 or send us a message.