Ideal for shipping departments and logistics managers who need premium protection for documents, small parts, and high-value items. The 9 x 12" size accommodates standard letter-size documents and small packages, while the 14 lb. Tyvek® material provides durability, 10 times stronger than paper, ensuring contents arrive damage-free even in demanding supply chains.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | 14 lb. Tyvek® Olefin (DuPont) |
| Dimensions | 9" x 12" |
| Color | White |
| Closure Type | Self-Seal Redi-Strip with Self-Adhesive Closure |
| Recyclable | Yes |
Common Use Cases
- Shipping documents, invoices, and correspondence requiring weather protection Mailing high-value items, electronics, or sensitive components Pharmaceutical and medical device distribution requiring moisture barriers Hazmat-compliant shipping solutions for regulated industries Bulk mailings for catalogs, samples, and promotional materials
What You'll Receive
- Case of 100 white self-seal Tyvek® envelopes (9" x 12") Pre-scored Redi-Strip self-adhesive closure strips for easy sealing
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
Tyvek® envelopes are 10 times stronger than traditional paper envelopes and provide tear, puncture, and moisture resistance. This durability reduces product damage claims, improves customer satisfaction, and can lower overall shipping costs through reduced replacements and returns.
Yes. These 9 x 12" self-seal Tyvek® envelopes meet USPS, UPS, and FedEx specifications for first-class and priority mail. They are suitable for domestic and international shipping without additional packaging modifications.
The Redi-Strip self-adhesive closure eliminates the need for tape, reducing labor time and packaging material costs. Operators simply peel and press to seal, no special equipment required, while maintaining a professional appearance and consistent seal integrity across high-volume shipping operations.
Yes. These envelopes are available in both plain white and pre-printed with First Class borders. Custom printing options are available for bulk orders. Contact our sales team for minimum order quantities and pricing on branded versions.
Technical Specifications
| Material | 14 lb. Tyvek® Olefin (DuPont) |
| Dimensions | 9" x 12" |
| Color | White |
| Closure Type | Self-Seal Redi-Strip with Self-Adhesive Closure |
| Recyclable | Yes |
| Color | White |
| Strength / Material | 14 lb. Olefin |
| Dimensions (Internal) | 9"" × 12"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
13.0" × 10.5" × 5.0" (L × W × D)
Unit of Measure
CASE
Qty Per Shipping Unit
100 PER CASE
LTL Freight Class
Class 78
Carrier Eligibility
UPS Ground & Freight Eligible
TRUST & RELIABILITY
Product Support
We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.
Buyer guides
Pick the right material, size, and gauge before you order.