The Luxpaper #9 3 7/8″ X 8 7/8″ Windowed Envelopes with Security Tint are designed for high-quality packaging and shipping needs. With a secure tint, these envelopes protect sensitive information and provide privacy for your documents. The windowed design allows for easy viewing of contents while still maintaining privacy. These envelopes are a reliable choice for businesses in various industries seeking durable and secure mailing solutions.