18x30" 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 250
$126.06
/ case of 250$0.50 per bag
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Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
18" × 30"
Board / material
4 Mil
Color
Clear
Freight class
Class 60
Specifications
| Inside dimensions | 18" × 30" (L × W) |
|---|---|
| Board / material | 4 Mil |
| Color | Clear |
| Sold as | Case of 250 |
| Order in multiples of | 250 |
| Case weight | 31.65 lb |
| Outer carton (shipping) | 25.25 × 15.25 × 5.75 in |
| LTL freight class | Class 60 |
| GTIN | 841436026215 |
| SKU | PB1265 |
About this item
SKU PB1265 — 18" × 30", 4 Mil, Clear. Sold as a case of 250, shipped from US warehouses.
The 18 x 30" 4 Mil clear poly bag is for parts, samples, apparel, documents, liners, inner packs, warehouse kitting, and lightweight e-commerce orders. Listed dimensions are 18 x 30"; bag details include 4 Mil; sold by the case; listed weight 31.6 lb. Use the 18 x 30" bag size as a parts bag, inner poly envelope, kitting bag, apparel bag, or lightweight e-commerce bag when the contents fit the listed thickness.
Flat poly bags: Good fit for bulk storage, product protection, clear inventory handling, fulfillment packing, and 4 mil packaging workflows. These poly bags help fulfillment, warehouse, ecommerce, and parts teams choose right-sized bags for storage, kitting, packing, and shipping workflows.
Common questions
What closure options work best with these 4 mil flat poly bags?
These bags feature an open-top design that accommodates multiple closure methods: Twist Ties for secure, tamper-evident sealing; Bag Tape for professional, branded closures; or Impulse Sealers for high-volume applications requiring consistent, airtight seals. Choose based on your production speed and product requirements.
Are these bags suitable for food and pharmaceutical applications?
Yes. These bags are manufactured from 100% virgin polyethylene and meet FDA and USDA specifications, making them fully compliant for food storage, pharmaceutical products, and other regulated applications. This certification provides peace of mind for sensitive shipments.
How does 4 mil thickness compare to thinner poly bag options?
4 mil poly bags offer significantly greater puncture resistance, tear strength, and durability than 2 mil or 3 mil alternatives, making them ideal for heavy products, sharp edges, and rough handling during transit. This thickness reduces damage rates and product loss, improving your overall shipping ROI.
What's the most economical way to order these bags for ongoing use?
Ordering full cases of 250 bags provides the best per-unit pricing for industrial buyers. Consider your monthly consumption rate and establish a regular reorder schedule to maintain optimal inventory levels while locking in bulk pricing and ensuring continuous supply for your packaging operations.
Order support
Questions on specs or freight?
Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.