9x12 Tyvek Envelopes 100/Case
| Quantity (case) | Item-subtotal discount |
|---|---|
| 1–2 | Base item price |
| 3–5 | 3% off qualifying item subtotal |
| 6+ | 5% off qualifying item subtotal |
| Pallet or repeat orders | Get a delivered quote |
Shipping & deliveryCheck cost to your ZIP code
Shipping & returns details
Ships from U.S. warehouses. 30-day returns on unopened stock items.
Shipping cost and timing depend on the product, quantity and destination. Parcel or freight service is used as appropriate. Shipping discounts apply only to qualifying orders and rates.
Standard delivery is to street addresses in the contiguous U.S. Eligible returns must be unused and in original packaging; return shipping may apply.
Need a hand? Talk to our team

From our customers
“The packaging is sturdy, well-made, and looks professional. We’re really pleased with the quality.”
“They helped us choose the right packaging for our products and made ordering easy.”
“Ordering was easy, everything arrived as described, and we’ll definitely order again.”
Specifications
| Inside dimensions | 9" × 12" (L × W) |
|---|---|
| Board / material | 14 lb. Olefin |
| Color | White/Green |
| Sold as | Case of 100 |
| Physical units per order increment | 1 |
| Case weight | 2.84 lb |
| Outer carton (shipping) | 13.25 × 10.5 × 4.5 in |
| LTL freight class | Class 78 |
| GTIN | 50047614214701 |
| SKU | TYF0912FC |
About this item
SKU TYF0912FC — 9" × 12", 14 lb. Olefin, White/Green. Sold as a case of 100, shipped from US warehouses.
Premium 9x12 Tyvek First Class envelopes deliver 10x the tear resistance of paper mailers with built-in self-seal closure and First Class printed borders. Constructed from 14 lb. olefin material for puncture, tear, and moisture protection.
This listing is one specification only: 9x12 Tyvek First Class Mailing Envelopes, Tear & Moisture Resistant, Case of 100. Packrift publishes no color options for this product; it is one product, not a green, white color range. It is plain and unprinted; it carries no geometric, text under this SKU.
Common questions
Are these envelopes waterproof and how does that benefit my shipping operations?
What makes the self-seal closure more cost-effective than tape-sealed alternatives?
Are these compliant with USPS First Class mail standards?
How much stronger is 14 lb. Tyvek® compared to kraft paper mailers?
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.



