Envelopes #10 Security Blueline 40 pk

• 20 lb. White Wove Stock: Professional-grade paper weight delivers a crisp, high-quality appearance and substantial feel suitable for business correspondence and formal mailings.

• Security Tint Protection: Blue-lined interior pattern conceals contents from view, preventing sensitive information from being read through the envelope during transit.

• Gummed Flap Closure: Moisture-activated adhesive creates a secure, tamper-evident seal that keeps documents safely enclosed until opened by the recipient.

• Open-Side Design: Side-opening construction with diagonal-seam construction provides easy document insertion and professional appearance for standard business letters.

• 40 Envelopes Per Pack: Bulk quantity provides sufficient supply for regular mailing needs in home offices, small businesses, or personal correspondence.