Industrial packaging buyers and manufacturers seeking reliable, cost-effective protection for small to medium-sized products need durable flat poly bags that meet regulatory compliance. These 3" x 18" 4 mil clear poly bags deliver heavy-duty performance for tools, hardware, and food items while maintaining transparency for product visibility and easy identification.
Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (LDPE) |
| Thickness | 4 Mil |
| Dimensions | 3" Width x 18" Length |
| Regulatory Compliance | FDA and USDA Approved |
| Recyclable | Yes |
Common Use Cases
- Protecting tools, hardware, and industrial components during storage and shipment Food storage and preservation with FDA compliance for fresh and prepared items Packaging small retail items, promotional goods, candy, and snacks Creating goodie bags and treat bags for events and giveaways Organizing and storing small parts in manufacturing and warehouse environments
What You'll Receive
- 1 case containing 1,000 flat poly bags (3" x 18" 4 mil)
Shipping & Packaging
Frequently Asked Questions
These flat poly bags can be sealed using twist ties, bag tape, or impulse sealers for maximum flexibility. Choose your sealing method based on production speed, budget, and desired shelf presentation.
Yes. These bags are manufactured from virgin polyethylene and meet both FDA and USDA specifications, making them safe for direct food contact including fresh produce, baked goods, and prepared foods.
4 mil provides puncture and tear resistance compared to 2-3 mil bags, reducing product damage during transit and storage. This durability often reduces waste and replacement costs, delivering better value for industrial applications.
Bulk case purchasing (1,000 bags) significantly reduces per-unit costs compared to smaller quantities, improving your packaging cost structure and supply chain efficiency for high-volume operations.
Technical Specifications
| Thickness | 4 Mil |
| Regulatory Compliance | FDA and USDA Approved |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 4 Mil |
| Dimensions (Internal) | 3" × 18" (L × W × H) |
Shipping Information
Outer Carton Dimensions
3" × 18" (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.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
3x18" 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 1000
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Shop poly bags
Compare resources using the current product page data: SKU PB1048 , 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.
Product support Choose bag thicknessUse this guide when gauge, zipper style, or product fit is uncertain.
