Use for mailrooms, financial institutions, retail operations, and nonprofits that need reliable, professional coin and small-item envelopes. The 5 1/2" x 3 1/8" kraft gummed format provides secure mailing compliance with opaque 28 lb. paper stock that protects contents from view while maintaining a polished, branded appearance.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | 28 lb. Kraft Paper Stock |
| Dimensions | 5 1/2" W x 3 1/8" H |
| Seal Type | Heavy-Duty Gummed Flap |
| Quantity Per Case | 5,000 Envelopes |
| Recyclable | Yes |
Common Use Cases
- Financial institution coin and currency deposits Retail cash handling and change envelopes Church and nonprofit donation collection Jewelry and small-item mailing protection Office mailroom and inter-department correspondence
What You'll Receive
- 5,000 kraft gummed envelopes (5 1/2" x 3 1/8") Case packaging for bulk storage and distribution
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
Yes. These 5 1/2" x 3 1/8" kraft gummed envelopes meet USPS size and sealing standards for domestic mail. The heavy-duty gummed flap creates a secure, compliant seal for worry-free processing through postal systems.
Gummed flaps provide tamper-evidence, are more cost-effective per unit, offer longer shelf life without adhesive degradation, and create a traditional, professional appearance trusted in financial and formal business environments.
28 lb. kraft stock provides durability for coins, small documents, and lightweight items up to several ounces. This weight resists tearing during automated sorting and handling while remaining cost-efficient compared to heavier materials.
Opaque kraft blocks visibility of contents, essential for protecting financial transactions, donations, and sensitive items. This privacy feature reduces theft risk, builds customer confidence, and maintains a professional brand appearance across high-volume mailroom operations.
Technical Specifications
| Material | 28 lb. Kraft Paper Stock |
| Dimensions | 5 1/2" W x 3 1/8" H |
| Seal Type | Heavy-Duty Gummed Flap |
| Quantity Per Case | 5,000 Envelopes |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | 28 lb. Paper Stock |
| Dimensions (Internal) | 5 1/2"" × 3.125"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
17.0" × 15.0" × 12.25" (L × W × D)
Unit of Measure
CASE
Qty Per Shipping Unit
5000 PER CASE
LTL Freight Class
Class 78
Carrier Eligibility
UPS Ground & Freight Eligible
TRUST & RELIABILITY
Product Support
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Buyer guides
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