・Size 　Business card: 55mm x 91mm (50 sheets) ・Color 　Front: White, Back: Gray ・Thickness 　Approx. 0.9mm Shipping via Yu-Packet Post Mini. Shipping will be done on weekdays. Please note that it may take some time to ship depending on when you purchase (Friday to Sunday or during consecutive holidays). Can be used as backing cards for accessories, for packaging and reinforcement, enclosed with business cards, and as a protective material to prevent bending. Cut by an amateur. There may be some size variations, dents, paper warping, and corner crushing. Thank you for your understanding. There may be small black dots on the paper, which are impurities derived from pulp that cannot be completely removed during the manufacturing process. Please note that if there are no purchases for a while even after receiving likes, the product will be deleted. We also sell different quantities and sizes. Please take a look.