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✓PREMIUM DOUBLE WINDOW SECURITY ENVELOPES - Professional-grade #9 Security Envelopes featuring dual windows and security wave pattern for maximum confidentiality. Perfect for mailing invoices, statements, and legal documents with our secure, moisture-activated gummed seal closure. These window envelopes are ideal check envelopes for professional business mailings.
✓ENHANCED SECURITY FEATURES - Specially designed with tinted security wave patterns that effectively obscure sensitive information, providing superior protection compared to standard envelopes. Ideal for confidential business correspondence and financial documents.
✓PRECISE WINDOW SPECIFICATIONS - Top window measures 1-3/16" X 3-1/2", positioned 3/8" from left and 2" from bottom. Bottom window measures 1" X 4", positioned 3/8" from left and 1/2" from bottom, ensuring perfect alignment with standard business documents and making these window envelopes ideal for invoices and statements.
✓PROFESSIONAL QUALITY CONSTRUCTION - Made with premium 24 LB white paper stock, these security envelopes deliver exceptional durability and a polished appearance. Moisture-activated gummed seal ensures reliable closure for your sensitive mailings.
✓COMMERCIAL BULK VALUE PACK – Includes 2,500 white #9 envelopes measuring 3-7/8" x 8-7/8", delivering a cost-effective solution for mailrooms, large businesses, financial institutions, and high-volume mailing operations. These professional-grade check envelopes help keep your business prepared for continuous daily mailing.