Double Window Invoice Envelopes – Gummed & Self-Seal Options for Secure, Professional Mailing
Streamline your business correspondence with our high-quality Double Window Invoice Envelopes, available in both gummed and self-seal closures. Designed for efficiency, security, and professional presentation, these envelopes are ideal for mailing invoices, checks, statements, and other confidential documents.
The dual window design displays both the recipient and sender addresses clearly, eliminating the need for manual labeling. Compatible with most standard 8.5” x 11” business documents folded into thirds, these envelopes ensure your mail reaches its destination looking polished and accurate.
Choose Your Seal Style:
Both styles offer a strong, tamper-evident seal, keeping contents secure during transit. The interior features a tinted security pattern to protect sensitive information from prying eyes—especially important for financial and client documents.
Key Features:
Whether you're sending out invoices to clients or payroll checks to employees, these double window envelopes help ensure your documents arrive safely and professionally. Stock up in bulk for even greater savings and keep your office running smoothly and efficiently.
