500 Number 10 Single Window Envelopes - Thick Gummed Seal - Designed for Secure Mailing of Quickbooks Checks, Invoices, Business Statements, Personal Letters - 4 1/8 x 9 1/2

Features

• Perfect for mailing Invoices, QuickBooks Invoices and checks, billing statements, checks, and other business mail.
• No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents.
• Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design
• 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
• Tamper proof design with our hot melt glue adhesive manufacturing process that allows the glue to penetrate the envelope, thus causing the envelope to tear if you open after sealing