18x18x40" 2 Mil Gusseted Poly Bags - Expandable Sides, Case of 250
$172.80
/ case of 250$0.69 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" × 18" × 40"
Board / material
2 Mil
Color
Clear
Freight class
Class 60
Specifications
| Inside dimensions | 18" × 18" × 40" (L × W × H) |
|---|---|
| Board / material | 2 Mil |
| Color | Clear |
| Sold as | Case of 250 |
| Order in multiples of | 250 |
| Case weight | 45.75 lb |
| Outer carton (shipping) | 25.25 × 15.25 × 5.25 in |
| LTL freight class | Class 60 |
| GTIN | 841436097536 |
| SKU | PB1637 |
About this item
SKU PB1637 — 18" × 18" × 40", 2 Mil, Clear. Sold as a case of 250, shipped from US warehouses.
Pack oddly-shaped items with confidence using these 2 mil gusseted poly bags featuring expandable sides and fitted bottoms. Sold in cases of 250 for bulk industrial and food packaging applications.
Gusseted poly bags: Good fit for bulky, irregular, or deep items that need expandable side or bottom space. These poly bags help fulfillment, warehouse, ecommerce, and parts teams choose right-sized bags for storage, kitting, packing, and shipping workflows.
Common questions
How should I judge fit for the 18x18x40" size?
The listed size is 18x18x40" — the gusseted sides fold out so the bag can open to its listed depth and sit around blockier items. The catalog lists inside-usable dimensions of 40" height x 18" width x 18" gusseted depth, so that measurement is what your item has to fit within.
What does 2 mil film mean in practice?
A mil is one-thousandth of an inch, so 2 mil film is 2/1000" thick — 4 mil film, for example, is twice the film thickness of 2 mil. Heavier film of the same material stands up to punctures and rough handling better; lighter film costs less per bag and packs tighter. This listing's material is specified as LDPE (Low-Density Polyethylene), 2 Mil thickness.
Can a nearby size or thickness replace PB1637?
Not as an exact replacement. The closest sizes in this line are 18" W x 16" D x 40" H and 20x18x36"; any size change alters the usable interior. Before switching, match the listed dimensions, 2 mil thickness, and case count — then reorder by exact SKU PB1637.
How do I close these bags, and how do they ship?
These are open-top bags — close them with a heat sealer, bag tape, twist ties, or staples, whichever fits your workflow. This listing is sold as one case of 250 bags — roughly $0.69 per bag at the current case price (confirm the live price before ordering). Orders ship from Packrift's five US warehouse regions (Central IL, NE PA, S TX, SE GA, and W CA); delivery options and timing are shown at checkout.
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.