Additional Details ------------------------------ Product description: Streamline your business correspondence with these professional #10 window envelopes. Measuring 4 1/8" x 9 1/2", these envelopes feature a convenient left-side window (1 1/8" x 4 1/2") positioned 7/8" from the left and 1/2" from the bottom, eliminating the need for manual address labeling. Crafted from premium 24lb white wove paper, these envelopes provide a crisp, professional appearance while maintaining document security through interior tinting. The peel and seal closure system offers quick, efficient sealing for busy offices. Perfect for invoices, statements, checks, and standard business correspondence, these envelopes deliver both functionality and professionalism. Each box contains 200 envelopes, ensuring you have plenty on hand for your business mailing needs.