Industrial buyers and manufacturers seeking heavy-duty protection for tools, hardware, and bulk products need reliable, cost-effective packaging solutions. These 38 x 48" 4 mil flat poly bags deliver durability and compliance for demanding storage and shipping applications, making them ideal for operations requiring FDA and USDA-compliant protection at scale.

Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (LDPE) |
| Thickness | 4 Mil |
| Dimensions | 38" x 48" |
| Color | Clear |
| Recyclable | Yes |
Common Use Cases
- Tool and hardware protection during storage and shipment Industrial parts and component packaging Food service and commercial kitchen supply storage Pharmaceutical and medical device packaging Bulk product consolidation and inventory management
What You'll Receive
- Case of 100 flat poly bags (38 x 48", 4 mil)
Shipping & Packaging
Frequently Asked Questions
Yes. These 4 mil poly bags meet FDA and USDA specifications, making them suitable for food storage, commercial kitchen use, and pharmaceutical applications where regulatory compliance is required.
These open-end flat poly bags close efficiently using twist ties, bag tape, or impulse sealers. Choose the method that best fits your production speed and application requirements.
4 mil polyethylene provides puncture and tear resistance compared to lighter gauges, protecting sharp tools, heavy hardware, and abrasive materials while maintaining cost-efficiency. The thickness prevents leaks and product damage during rough handling.
Each case contains 100 bags. Buying by the case reduces per-unit costs significantly compared to smaller quantities, improving your packaging cost per product shipped.
Technical Specifications
| Thickness | 4 Mil |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 4 Mil |
| Dimensions (Internal) | 38" × 48" (L × W × H) |
Shipping Information
Outer Carton Dimensions
38" × 48" (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.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
38 x 48" 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 100
Related products
Shop poly bags
Compare resources using the current product page data: SKU PB1319 , 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.
Product support Choose bag thicknessUse this guide when gauge, zipper style, or product fit is uncertain.



