Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes with Left Window, Peel & Seal Closure - 500-Pack, White

• 500-Pack of #10 security envelopes with Peel & Seal closure—no moisture needed

• Ideal for home or office; securely send checks, invoices, or other confidential documents

• Interior security tint keeps content private; single window allows address to show through

• 24-pound white woven paper for quality and strength

• Measures 4-1/8 by 9-1/2 inches each