Industrial packaging buyers protecting medium to heavier products need reliable, food-safe storage solutions. These 40 x 42" 3 mil flat poly bags deliver FDA and USDA-compliant protection with virgin polyethylene construction, making them ideal for food producers, manufacturers, and logistics operations requiring durable, cost-effective packaging at scale.
Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (LDPE) |
| Dimensions | 40" x 42" |
| Thickness | 3 Mil |
| Color | Clear |
| Recyclable | Yes |
Common Use Cases
- Food storage and packaging for restaurants, bakeries, and food manufacturers Industrial parts protection and inventory organization Moisture barrier for shipping products sensitive to humidity Agricultural product storage and bulk item containment Multi-purpose warehouse and logistics packaging
What You'll Receive
- Case of 100 flat poly bags (40" x 42", 3 mil)
Shipping & Packaging
Frequently Asked Questions
Yes. These 3 mil poly bags are manufactured to meet FDA and USDA specifications, making them suitable for direct food storage, freezing, and commercial food packaging applications.
Use twist ties for light sealing, bag tape for secure closure without heat, or impulse sealers for industrial-strength, food-safe seals. All three closure options are available separately to match your operation's speed and security requirements.
3 mil provides optimal balance between durability and cost. It resists punctures and tears better than 1-2 mil bags while remaining thinner and lighter than 4+ mil alternatives, reducing material costs without sacrificing protection for medium-weight products.
Yes. Virgin polyethylene maintains flexibility and integrity at freezer temperatures, making these bags ideal for frozen food storage, cold chain logistics, and temperature-sensitive product protection without brittleness or cracking.
Technical Specifications
| Thickness | 3 Mil |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 3 Mil |
| Dimensions (Internal) | 40" × 42" (L × W × H) |
Shipping Information
Outer Carton Dimensions
40" × 42" (L × W × H)
Unit of Measure
CASE
Qty Per Shipping Unit
100 PER CASE
LTL Freight Class
Class 60
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.
For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.
ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
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Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
40 x 42" 3 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 100
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Shop poly bags
Compare resources using the current product page data: SKU PB961 , type Bags - Poly , sold-as unit CASE / pack count 100 PER CASE . Confirm the product page price, availability, and selected variant before ordering.
Compare width, length, mil thickness, closure, material, and case quantity.
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