Industrial packaging buyers seeking durable, cost-effective protection for heavy-duty products, tools, and hardware shipments. These 4 mil flat poly bags measure 36" x 4" and offer puncture resistance and strength for demanding supply chain applications. Use for manufacturers and distributors requiring FDA and USDA-compliant packaging solutions at scale.
Best For
How to choose
Specs at a Glance
| Material | 100% Virgin Polyethylene (LDPE) |
| Thickness | 4 Mil |
| Dimensions | 36" W x 4" H (Lay Flat) |
| Quantity per Case | 1,000 Bags |
| Recyclable | Yes |
Common Use Cases
- Hardware and tool protection during storage and shipment Industrial parts packaging for manufacturing supply chains Food-grade storage and transport (FDA/USDA compliant) Bulk product bundling and inventory organization Moisture barrier protection for sensitive equipment
What You'll Receive
- 1,000 Clear 4 Mil Flat Poly Bags (36" x 4") Compatibility with twist ties, bag tape, and impulse sealers for secure closure
Shipping & Packaging
Frequently Asked Questions
4 mil polyethylene offers the optimal balance between durability and cost-efficiency for heavy-duty industrial use. This thickness provides puncture and tear resistance compared to thinner films, protecting high-value products while remaining economical for high-volume operations.
Yes, these bags meet FDA and USDA specifications, making them suitable for food storage, pharmaceutical packaging, and other regulated industries requiring certified food-contact materials.
You can close these bags using twist ties for quick sealing, bag tape for tamper-evidence, or impulse sealers for consistent, durable closures in high-volume operations. Impulse sealers provide the most professional and secure finish.
Order in full cases of 1,000 bags to achieve the best per-unit pricing. For large-scale operations, multiple cases qualify for volume discounts and reduce overall shipping costs per bag.
Technical Specifications
| Thickness | 4 Mil |
| Quantity per Case | 1,000 Bags |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 4 Mil |
| Dimensions (Internal) | 36" × 36" (L × W × H) |
Shipping Information
Outer Carton Dimensions
36" × 36" (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
36" x 4" 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 1000
Related products
Shop poly bags
Compare resources using the current product page data: SKU PB1072 , 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.
