Durable, colorcoded mailing envelopes designed for organized, secure handling of bulk correspondence, archival documents, and specialoccasion stationery. Key features Material: 300gms tearresistant paper construction for greater durability during handling and transit. Reinforced edges: strengthened seams and edges that withstand more pressure than standard envelopes for safer storage and mailing. Sealing: integrated pressureactivated sealing tape creates an instant seal without glue or sticker labels. Size and compatibility: standardized 32.4 cm x 22.9 cm dimensions accommodate lettersize documents, file paper, and artwork. Organization: colorcoded design supports quick sorting and filing for contracts, invitations, academic records, and other document types. Why this product helps Protects contents from tearing and damage with heavyduty 300gms paper and reinforced edges. Saves time and simplifies mailing with a pressureactivated seal—no additional adhesives or labels required. Improves workflow and reduces errors through visible, colorcoded organization for bulk mailings and archives. Practical applications Corporate mailroom: Send contracts, invoices, and client documents securely and sort outgoing mail by color for faster processing. Wedding and event planning: Mail invitations and RSVP envelopes professionally; colorcoding separates events, guests, and vendor paperwork. Education and archives: Store and transport academic records, transcripts, and artwork with tearresistant protection and clear, reliable sealing. Reliable attributes Designed for professional use where document protection, efficient sealing, and organized filing matter. Standardized sizing and robust construction ensure compatibility with common letter paper and flat artwork without folding. Use these envelopes when you need secure, organized, and efficient handling of bulk correspondence, archival documents, or special occasion stationery.