Blake DL Window Envelopes – White 80gsm Self Seal – Pack of 500

Streamline your daily office tasks with these Blake DL Window Envelopes, designed to make professional mailing faster and more secure. Whether you are sending invoices or important business correspondence, these reliable DL Envelopes are an essential addition to your business stationery collection.

• Feature: Self-seal closure – Simply press the flap to secure your documents without needing moisture → Benefit: Saves you time and keeps your workspace clean during high-volume mailings.
• Feature: Blue opaque interior print – Provides an extra layer of security for sensitive documents → Benefit: Gives you peace of mind that your private information remains confidential during transit.
• Feature: 35x90 mm window (positioned 18 mm up and 19 mm from left) – Perfectly sized for standard address visibility → Benefit: Eliminates the need for manual labeling, ensuring your mail reaches the right recipient every time.
• Feature: 80gsm white paper stock – A professional weight that balances durability with a clean, crisp appearance → Benefit: Projects a polished, high-quality image for your brand with every letter sent.

Stock up with this handy pack of 500 to ensure your office is always prepared for efficient, professional communication.