• Cost-effective gummed closure creates a durable, machinable envelope ideal for bulk mailing machines.
• Preprinted with IMPORTANT TAX RETURN DOCUMENT ENCLOSED on front.
• Left aligned double windows fit your 1099 forms precisely to conceal all personally identifiable information.
• A security tinted pattern keeps confidential information safe, even when held to light.

TOPS™ new forms. Made with 24 lb white wove paper, security tint and precise double windows to protect private data. "Important Tax Return Document Enclosed" printed on front. Gummed.