500 No. 10 Single Window Envelopes - Thick Gummed Seal - Designed for Secure Mailing of Quickbooks Checks, Invoices, Business Statements, Personal Letters - 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.
• No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents.
• Your contents will stay sealed during transit with your strong gummed adhesive and unique 1’’ tapered gummed flap 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
• 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.