Industrial packaging buyers shipping medium to heavier products need reliable, cost-effective protection without compromising durability. These 20 x 42" 3 mil flat poly bags provide durability using 100% virgin polyethylene film, meeting FDA and USDA standards for food-safe applications while delivering exceptional value per unit when ordered by the case.

Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (LDPE) |
| Thickness | 3 Mil |
| Dimensions | 20" W x 42" L |
| Case Quantity | 250 Bags per Case |
| Recyclable | Yes |
Common Use Cases
- Food product storage and distribution (FDA/USDA compliant) Industrial parts and hardware protection Textile and apparel packaging Pharmaceutical and medical supply containment Moisture-barrier storage for moisture-sensitive goods
What You'll Receive
- Case of 250 flat poly bags (20" x 42" x 3 mil) Clear polyethylene construction ready for immediate use
Shipping & Packaging
Frequently Asked Questions
Yes. These bags are manufactured to meet FDA and USDA specifications, making them suitable for food storage and packaging applications. They are made from 100% virgin polyethylene film, ensuring safety and compliance for food contact.
You can seal these open-end flat poly bags using twist ties, bag tape, or impulse sealers. Choose the method based on your production speed and application requirements, impulse sealers offer the fastest throughput for high-volume operations.
3 mil thickness provides puncture and tear resistance, protecting medium to heavier products during handling and transit. This durability reduces damage claims and product loss, delivering better cost-per-use value despite a slightly higher initial unit cost.
Cases contain 250 bags per unit. Bulk purchasing in case quantities reduces per-bag costs significantly and minimizes freight costs per unit when ordering multiple cases for high-volume packaging operations.
Technical Specifications
| Thickness | 3 Mil |
| Case Quantity | 250 Bags per Case |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 3 Mil |
| Dimensions (Internal) | 20" Γ 42" (L Γ W Γ H) |
Shipping Information
Outer Carton Dimensions
20" Γ 42" (L Γ W Γ H)
Unit of Measure
CASE
Qty Per Shipping Unit
250 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
20x42" 3 Mil Clear Flat Poly Bags - Durable Protection, Case of 250
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Compare resources using the current product page data: SKU PB917 , type Bags - Poly , sold-as unit CASE / pack count 250 PER CASE . Confirm the product page price, availability, and selected variant before ordering.
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