• SINGLE WINDOW DESIGN: No need to print or hand write the address. In our #10 window envelopes, the large, easy read, poly window is positioned perfectly for displaying addresses or business information
• SECURE: Just peel and seal to create a strong, lasting seal without moistening. Our self seal design is quick and easy and is guaranteed it will stay sealed without the need for tape or glue sticks.
• SECURITY TINT: Perfect for everyday business use, these standard white envelopes are crafted from durable 24lb paper. Designed with security print to protect contents and sensitive information.
• MULTI-PURPOSE: These envelopes can easily fit invoices, letters, checks, gift cards, and more!
• #10 SELF-SEAL SINGLE WINDOW: These self-sealing windowed envelopes measure 4-1/8" x 9 1/2" inch.

The single window design eliminates the need to print or handwrite addresses. In our #10 window envelopes, the large, easy-to-read poly window is positioned perfectly for displaying addresses or business information. These self-sealing windowed envelopes measure 4 1/8" x 9 1/2" inches and are designed to save you time and money, allowing you to fly through mailings in record time. They provide a secure solution—just peel and seal to create a strong, lasting seal without the need for moistening. Our self-seal design is quick and easy, and it is guaranteed to stay sealed without requiring tape or glue sticks. Crafted from durable 24lb paper, these standard white envelopes are perfect for everyday business use and feature a security tint designed to protect contents and sensitive information. Additionally, these envelopes can easily accommodate invoices, letters, checks, gift cards, and more, making them versatile for virtually any need. Each box includes 500 envelopes.