500 No. 10 Self Seal Single Window Security Envelopes -Designed for QuickBooks Invoices and Business Statements - Computer Printed Checks with Strong Peel and Seal Flap - Number 10 Size 4 1/8 X 9 1/2

Key features

• Perfect for mailing Invoices, QuickBooks Invoices and checks, billing statements, checks, and other business mail.
• Create professional looking mail with the added security of a single window envelope. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels
• Just peel and seal for a strong lasting seal. Our security envelopes will quickly and easily create a strong seal for completely secure business mail.
• Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker.
• Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design