14x18 3.1 Mil Zip Seal ESD Static Shielding Bags 100/Case STC342
$114.44
/ case of 100$1.14 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
14" × 18"
Board / material
3.1 Mil
Color
Transparent
Freight class
Class 60
Specifications
| Inside dimensions | 14" × 18" (L × W) |
|---|---|
| Board / material | 3.1 Mil |
| Color | Transparent |
| Sold as | Case of 100 |
| Order in multiples of | 100 |
| Case weight | 7.68 lb |
| Outer carton (shipping) | 26.75 × 19.5 × 2.25 in |
| LTL freight class | Class 60 |
| SKU | STC342 |
About this item
SKU STC342 — 14" × 18", 3.1 Mil, Transparent. Sold as a case of 100, shipped from US warehouses.
14x18" clear static shielding poly bags in 3.1 mil polyethylene, a medium-duty film for heavier or sharper items. Packed 100 per case (SKU STC342); this is a second listing of the same BOX case stock at the same price.
Open-top static shielding design: seal with twist ties, bag tape, or an impulse sealer (sold separately). Keeps parts, hardware, and products visible while protecting them from dust and moisture. Order by the case of 100.
Common questions
What actually fits inside a 14x18" bag?
The listed size is 14x18". Plan for contents slightly smaller than the nominal size — the usable interior runs a bit under the listed measurement once the bag takes shape around what you load into it.
How does 3.1 mil compare with lighter or heavier film?
A mil is one-thousandth of an inch, so 3.1 mil film is 3.1/1000" 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 3.1 Mil polyethylene with conductive inner layer.
Can I swap STC342 for the next size up or down?
Not as an exact replacement. The closest sizes in this line are 12x18" and 15x18"; any size change alters the usable interior. Before switching, match the listed dimensions, 3.1 mil thickness, closure type, and case count — then reorder by exact SKU STC342.
Do these bags reseal, and how do they arrive?
The closure is listed as Zip-top reclosable seal, so the bag closes without separate tape or heat. This listing is sold as one case of 100 bags — roughly $1.14 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.