Industrial packaging buyers protecting medium to heavier products need reliable, cost-effective storage solutions that meet food safety standards. These 4" x 20" 3 mil flat poly bags offer the perfect balance of durability and affordability, making them ideal for manufacturers, distributors, and food processors requiring FDA and USDA compliant packaging at scale.

Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (3 Mil LDPE) |
| Dimensions | 4" Width x 20" Length |
| Color | Clear |
| Regulatory Compliance | FDA and USDA Approved |
| Recyclable | Yes |
Common Use Cases
- Food product storage and protection (snacks, candy, baked goods) Pharmaceutical and medical supply packaging E-commerce product wrapping and fulfillment Retail merchandise packaging and display Industrial parts and component storage
What You'll Receive
- 1,000 clear 4" x 20" 3 mil flat poly bags per case
Shipping & Packaging
Frequently Asked Questions
These open-end poly bags can be sealed using twist ties, bag tape, or impulse sealers. Choose based on your production speed requirements and desired final appearance.
Yes. These bags meet FDA and USDA specifications, making them approved for direct food contact. They're commonly used for snacks, candy, baked goods, and other food products.
3 mil polyethylene provides puncture resistance and durability for heavier or sharper products while remaining cost-competitive. It reduces damage claims and product loss during shipping and storage.
Each case contains 1,000 flat poly bags, providing excellent value for high-volume users. This bulk quantity reduces per-unit costs and minimizes reorder frequency.
Technical Specifications
| Regulatory Compliance | FDA and USDA Approved |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 3 Mil |
| Dimensions (Internal) | 4" × 20" (L × W × H) |
Shipping Information
Outer Carton Dimensions
4" × 20" (L × W × H)
Unit of Measure
CASE
Qty Per Shipping Unit
1000 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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Use this product as the source
4x20" 3 Mil Clear Flat Poly Bags - Durable Food Storage, Case of 1000
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Shop poly bags
Compare resources using the current product page data: SKU PB747 , type Bags - Poly , sold-as unit CASE / pack count 1000 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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