#9 Envelopes Gummed Security Double Window Envelopes 1000ct | Double window, Gummed closure, Security tinted, 24 LB paper, 3-7/8 x 8-7/8 For invoices, statements & legal documents (30129)

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 a 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 sensitive mailings. HIGH-VOLUME VALUE PACK Includes 1, 000 white #9 envelopes measuring 3-7/8" x 8-7/8", making them an excellent choice for accounting departments, financial offices, and organizations with frequent outgoing mail.

These durable check envelopes provide a reliable solution for daily business operations