Enhance your mailing efficiency with these high-quality double window envelopes, perfectly designed for professional correspondence. Measuring at 3-7/8" x 8-7/8", these #9 envelopes are crafted from durable 24 lb paper and feature a side seam construction for added strength. The tinted windows ensure a polished look while securely displaying your important addresses without compromising confidentiality. Each box contains 500 envelopes, making them an ideal choice for businesses that require reliable, bulk mailing solutions. FSC Certified®, these envelopes are not only functional but also environmentally friendly, allowing you to make a responsible choice for your mailing needs.

Key Features:
• Double window design for easy viewing of addresses
• Tinted windows for enhanced privacy
• Durable 24 lb paper for a professional feel
• FSC Certified® for sustainability
• Side seam construction for added strength
• Convenient bulk packaging of 500 envelopes per box
• Top window size: 1-1/4" x 3-1/2"
• Bottom window size: 1" x 4"
• Perfect for invoices, statements, and other important documents