9x12 Yellow Self-Seal Tyvek Envelopes 100/Case
$135.53
/ case of 100$1.36 per mailer
Request bulk pricing
| Quantity (case) | Item-subtotal discount |
|---|---|
| 1–2 | Base item price |
| 3–5 | 3% off qualifying item subtotal |
| 6+ | 5% off qualifying item subtotal |
In stock · ships within 1 business day from the nearest of 5 US warehouses (IL, PA, TX, GA, CA) · 1–5 business days in transit · freight calculated at checkout · free ground shipping on orders over $99 (parcel rates up to $29.95) and over $500 (up to $120)
30-day returns on stock items · Return policy
Inside dimensions
9" × 12"
Board / material
14 lb. Olefin
Color
Yellow
Freight class
Class 78
Specifications
| Inside dimensions | 9" × 12" (L × W) |
|---|---|
| Board / material | 14 lb. Olefin |
| Color | Yellow |
| Sold as | Case of 100 |
| Physical units per order increment | 1 |
| Case weight | 2.9 lb |
| Outer carton (shipping) | 13.25 × 10.5 × 4.75 in |
| LTL freight class | Class 78 |
| GTIN | 841436064538 |
| SKU | TYC912Y |
About this item
SKU TYC912Y — 9" × 12", 14 lb. Olefin, Yellow. Sold as a case of 100, shipped from US warehouses.
9x12 yellow Tyvek® envelopes featuring self-seal closure and 14 lb. olefin construction, 10 times stronger than standard paper mailers. Sold by the case of 100.
Common questions
Why choose Tyvek® over paper mailers?
Tyvek® mailers are 10 times stronger than paper, offering puncture and tear resistance while remaining waterproof. This reduces damage claims, product loss, and customer complaints, critical for industries where content protection directly impacts ROI and brand reputation.
Are these envelopes compliant with shipping regulations?
Yes. Tyvek® envelopes meet USPS, UPS, and FedEx standards. The self-seal closure provides secure sealing without additional materials, and the material itself is approved for hazmat and sensitive shipments when required.
How does the self-seal closure work?
The Redi-Strip self-seal closure features a pressure-sensitive adhesive strip. Simply peel and press to create an instant, tamper-evident seal. No moisture, tape, or special equipment needed, ideal for high-volume operations.
What makes the yellow color advantageous?
Yellow envelopes increase visibility in transit, improving mail handling accuracy and brand recognition. They stand out in sorting facilities and recipient mailrooms, reducing misrouting and enhancing professional presentation for your shipments.
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.