Industrial packaging buyers seeking reliable, cost-effective flat poly bags for heavy-duty applications including tools, hardware, and food storage. These 28" x 5" 4 mil bags deliver durability and FDA/USDA compliance, making them ideal for businesses requiring food-safe, multipurpose poly bag solutions that meet regulatory standards.

Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (LDPE) Film |
| Thickness | 4 Mil |
| Dimensions | 28" L x 5" W (Open End) |
| Closure Method | Twist Ties, Bag Tape, or Impulse Sealers (sold separately) |
| Recyclable | Yes |
Common Use Cases
- Heavy-duty tool and hardware protection during storage and shipping FDA/USDA food storage and packaging applications Industrial parts and component organization Moisture and contaminant barrier for sensitive products Cost-effective bulk inventory management (case of 1,000)
What You'll Receive
- 1,000 clear 4 mil flat poly bags (28" x 5") Bulk case packaging for convenient warehouse storage
Shipping & Packaging
Frequently Asked Questions
Yes. These 4 mil flat poly bags meet FDA and USDA specifications, making them approved for direct food contact including snacks, candy, baked goods, and other food items. Use for bakeries, food processing, and food service businesses.
The 4 mil thickness provides heavy-duty protection ideal for tools, hardware, industrial parts, and other dense products. For lighter items like food or small retail goods, consider thinner alternatives. The 4 mil rating ensures puncture and tear resistance in demanding applications.
These lay-flat poly bags can be sealed using twist ties (economical hand-sealing), bag tape (manual or tape dispenser application), or impulse sealers (automated, thermal sealing for high-volume operations). Choose the closure method that matches your production speed and budget.
Yes. The heavy-duty 4 mil virgin polyethylene construction provides reliable protection during transit, reducing product damage and customer returns. Clear visibility allows easy product identification without opening, and the bags are compatible with standard industrial shipping protocols.
Technical Specifications
| Thickness | 4 Mil |
| Closure Method | Twist Ties, Bag Tape, or Impulse Sealers (sold separately) |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 4 Mil |
| Dimensions (Internal) | 5" Γ 28" (L Γ W Γ H) |
Shipping Information
Outer Carton Dimensions
5" Γ 28" (L Γ W Γ 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
5x28" 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 1000
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Compare resources using the current product page data: SKU PB1096 , 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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