・Size Business card: 55mm x 91mm (100 sheets) + (10 bonus sheets) ・Color Front: White, Back: Gray ・Thickness Approximately 0.9mm Shipping via Yu-Packet Post Mini. Shipping will be done on weekdays. Please note that shipping may take longer 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, etc., and as protection against bending. Cut by a non-professional. There may be slight variations in size, 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. Please refrain from price negotiations. We also sell different quantities and sizes. Please take a look. #Chobo'sPaper #ThickPaperSheets #Cardboard #BusinessCards #Packaging #ThickPaper #BackingCards #Accessories