Features: Heavy duty paper and reinforced metal clasp ensures tear resistant durability for secure document storage and mailing, great for frequent business correspondence and archival needs. Features user friendly metal clasp closure for quick access and spacious interior that holds multiple documents without bulk, combining practicality with professional aesthetics. Suitable for lawyers, accountants, office workers, business professional and enterprises requiring tamper proof documents organiser envelopes for confidential contract, invoices, or sensitive paper. Essential office supplies in boardroom meetings, international shipping, or daily office use where organized document protect meets corporate standard. Iron clasp closure paired with paper delivers security and environmental responsibility in business work. Specifications: Color: Brown Component: Paper, Metal Size1: Approx. 15.2x22.9＋4cm/6x9＋1.57in Size2: Approx. 22.9x30.5＋4cm/9x12＋1.57in Size3: Approx. 254x33cm/10x13in Weight: Approx. 255g, 540g, 630g Package Includes: 30Pieces Iron buckle golden paper envelopes bag × note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color