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6 Mil Low Density Flat Bags - Heavy Duty Packaging Solutions

Need durable, food-safe plastic bags? Our 6 mil LDPE flat bags deliver exceptional strength and reliability for food packaging, industrial storage, and product protection. Made from 100% virgin low-density polyethylene, these heavy duty poly bags meet FDA requirements and provide superior puncture resistance.

Why choose 6 mil thickness? At 6 mils thick, these bags offer the perfect balance of flexibility and strength - ideal for heavier items, sharp-edged products, or applications requiring extra protection. Seamless tubing construction eliminates weak side seals that can split or tear.

Key Benefits: FDA compliant for direct food contact • Seamless construction (no side seals to fail) • Dispenser packs (15" and under) for clean, easy access • Clear labeling and barcoding for inventory control • Wholesale pricing with same-day shipping

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2 X 3 Low Density Flat Bag 6 mil 5,000/cs| Prism Pak 2 X 3 Low Density Flat Bag 6 mil 5,000/cs
1 case $68.16
3 X 4 Low Density Flat Bag 6 mil 2,000/cs| Prism Pak 3 X 4 Low Density Flat Bag 6 mil 2,000/cs
1 case $51.88
3 X 5 Low Density Flat Bag 6 mil 2,000/cs| Prism Pak 3 X 5 Low Density Flat Bag 6 mil 2,000/cs
1 case $47.82
3 X 6 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 3 X 6 Low Density Flat Bag 6 mil 1,000/cs
1 case $28.99
4 X 4 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 4 X 4 Low Density Flat Bag 6 mil 1,000/cs
1 case $32.75
4 X 5 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 4 X 5 Low Density Flat Bag 6 mil 1,000/cs
1 case $40.95
4 X 6 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 4 X 6 Low Density Flat Bag 6 mil 1,000/cs
1 case $37.72
5 X 8 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 5 X 8 Low Density Flat Bag 6 mil 1,000/cs
1 case $60.31
6 X 8 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 6 X 8 Low Density Flat Bag 6 mil 1,000/cs
1 case $71.28
6 X 10 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 6 X 10 Low Density Flat Bag 6 mil 1,000/cs
1 case $87.01
7 X 9 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 7 X 9 Low Density Flat Bag 6 mil 1,000/cs
1 case $114.65
8 X 10 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 8 X 10 Low Density Flat Bag 6 mil 1,000/cs
1 case $152.90
8 X 12 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 8 X 12 Low Density Flat Bag 6 mil 1,000/cs
1 case $183.93
9 X 12 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 9 X 12 Low Density Flat Bag 6 mil 1,000/cs
1 case $206.88
10 X 12 Low Density Flat Bag 6 mil 1,000/cs| Prism Pak 10 X 12 Low Density Flat Bag 6 mil 1,000/cs
1 case $217.74
12 X 18 Low Density Flat Bag 6 mil 500/cs| Prism Pak 12 X 18 Low Density Flat Bag 6 mil 500/cs
1 case $192.51
18 X 24 Low Density Flat Bag 6 mil 250/cs| Prism Pak 18 X 24 Low Density Flat Bag 6 mil 250/cs
1 case $157.22
20 X 30 Low Density Flat Bag 6 mil 200/cs| Prism Pak 20 X 30 Low Density Flat Bag 6 mil 200/cs
1 case $171.05
24 X 36 Low Density Flat Bag 6 mil 100/cs| Prism Pak 24 X 36 Low Density Flat Bag 6 mil 100/cs
1 case $115.65
30 X 40 Low Density Flat Bag 6 mil 100/cs| Prism Pak 30 X 40 Low Density Flat Bag 6 mil 100/cs
1 case $180.67
38 X 64 Low Density Flat Bag 6 mil 50/cs| Prism Pak 38 X 64 Low Density Flat Bag 6 mil 50/cs
1 case $183.08
   
 

What Are 6 Mil LDPE Flat Bags Used For?

These heavy duty low density bags are versatile packaging solutions used across multiple industries:

  • Food Service & Restaurants: Bulk ingredient storage, produce bags, frozen food packaging
  • Manufacturing: Parts protection, component packaging, work-in-progress storage
  • Retail: Product packaging, bakery bags, bulk goods
  • Healthcare: Medical supplies, clean room applications, specimen transport
  • Agriculture: Seed storage, sample collection, equipment protection

6 Mil vs Other Thicknesses: Which is Right for You?

2-3 mil bags: Light-duty applications, lightweight items, cost-sensitive projects
4 mil bags: General purpose, moderate protection, everyday packaging
6 mil bags (this category): Heavy duty, sharp objects, maximum strength, food safety
8+ mil bags: Extra heavy duty, industrial applications, extreme conditions

For most commercial and industrial applications requiring durability and food safety, 6 mil thickness provides optimal performance without unnecessary cost.

Why Low Density (LDPE) Instead of High Density?

Low density polyethylene offers several advantages over HDPE for bag applications:

  • Better puncture resistance - More flexible, less likely to tear
  • Superior cold resistance - Remains pliable in freezer temperatures
  • Stronger seals - Heat seals more reliably than HDPE
  • Clearer appearance - Better product visibility (when clarity matters)

FDA Compliance & Food Safety

All LK Packaging bags are manufactured from virgin LDPE resin that meets FDA requirements (21 CFR 177.1520) for direct food contact. This means:

  • No recycled materials that could contaminate food
  • Safe for produce, baked goods, frozen foods, dry ingredients
  • Compliant with food service health codes
  • Suitable for USDA/FDA inspected facilities

Seamless Construction: Why It Matters

Unlike side-sealed bags, these flat bags are made from seamless polyethylene tubing with only a bottom seal. Benefits include:

  • No side seals to split under heavy loads
  • More uniform strength across entire bag
  • Cleaner appearance (no visible side seams)
  • Better liquid containment (fewer potential leak points)

Dispenser Pack Convenience

Bags 15 inches wide and under come in dispenser packs of 100, offering:

  • Clean, one-handed dispensing
  • Protection from contamination
  • Space-efficient storage
  • Easy inventory counting

Ordering & Shipping

Wholesale pricing: Volume discounts available - the more you buy, the more you save
Same-day shipping: Orders placed by 2 PM EST ship same business day
Custom sizes: Need a specific size? Contact us for custom quotes
Questions? Call (570) 709-0366 or email [email protected]

Related Products You May Need

• Twist Ties & Bag Closures: Secure your bags quickly
• Impulse Sealers: Create custom bag sizes from rollstock
• Poly Tubing: Make your own custom length bags
• Anti-Static Bags: For electronics and sensitive components

Frequently Asked Questions About 6 Mil Low Density Flat Bags

What is a 6 mil low density flat bag?

A 6 mil low density flat bag is a plastic bag with a wall thickness of 6 mils (0.006 inch, or six thousandths of an inch) made from virgin low density polyethylene (LDPE). It is produced from seamless polyethylene tubing with a single bottom seal and an open top, so there are no side seams. At 6 mil it is a heavy duty bag, roughly 50% thicker than a standard 4 mil bag, and is used for heavier contents, sharp-edged parts, and bulk food storage.

Are 6 mil LDPE flat bags food safe?

Yes. These bags are made from 100% virgin LDPE resin that meets FDA requirements under 21 CFR 177.1520 for direct food contact. No recycled content is used, so they are approved for produce, baked goods, frozen foods, and dry ingredients, and they are suitable for use in USDA and FDA inspected facilities and for food service health code compliance.

What is the difference between 4 mil and 6 mil poly bags?

The difference is film thickness: a 4 mil bag is 0.004 inch thick and a 6 mil bag is 0.006 inch thick, so the 6 mil bag has 50% more material and noticeably more puncture and tear resistance. Choose 4 mil for general purpose, everyday packaging of moderate-weight items; choose 6 mil for heavy or sharp-edged contents, bulk food storage, and anywhere a bag failure would be costly. Lighter 2-3 mil bags suit light-duty, cost-sensitive jobs, and 8 mil and above is reserved for extreme industrial use.

Why choose low density (LDPE) instead of high density (HDPE) bags?

LDPE is the better choice when durability and sealing matter more than stiffness. Low density polyethylene is more flexible, so it resists punctures and tears better than HDPE, it stays pliable at freezer temperatures instead of becoming brittle, it heat seals more reliably, and it offers better clarity for product visibility. HDPE film is stiffer and crinklier and is typically used where a thinner, lower-cost bag is acceptable.

What does seamless construction mean on a flat poly bag?

Seamless means the bag is cut from a continuous tube of extruded polyethylene and sealed only across the bottom, so it has no side seals at all. Because side seals are the most common failure point under a heavy load, a seamless bag delivers more uniform strength across the whole bag, fewer potential leak points for wet or greasy contents, and a cleaner look with no visible side seams.

How are these 6 mil flat bags packaged, and can I get custom sizes?

Bags 15 inches wide and under ship in dispenser packs of 100, which allow clean one-handed dispensing, keep unused bags protected from contamination, and make inventory counting simple. Larger widths are case packed. Wholesale volume discounts apply as quantity increases, orders placed by 2 PM EST ship the same business day, and custom sizes are quoted on request — call (570) 709-0366 or email [email protected].