Features: Sealing envelopes with 300gms tear resistant paper construction ensures secure document storage and mailing, featuring reinforced edges that withstand pressure than standard envelopes. Integrated pressure activated sealing tape creates instantly seals without glues or seal labels sticker, while 32.4cmx22.9cm standardized dimension accommodate letter size documents, file paper and artwork effortlessly. Essential for office administrators, event coordinators, and academic staff managing bulk correspondence, archival document, or special occasion stationery needs. Optimizes professional work efficiency in corporate mailrooms, wedding planning studios, and educational institutions through color coded organization for contract, invitations, and academic records. Package comes with 50Pieces Paper Envelopes, maintain document security while enhancing visual appeal. Specifications: Component: Paper Color: Yellow/Tamgerines/Light Blue/Pink/Red Size: Approx. 32.4x22.9cm/12.75x9.01in Weight: Approx. 1400g Package Includes: 50Pieces Paper Envelopes 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