50 x 6"x6" inserts for card blanks. Perfect for all 6"x6" greeting card blanks, Fits inside with a nice 2-3mm boarder all around. Laser, Copier, & Inkjet Printable. 100gsm white paper. Remember these are inserts to fit inside card blanks and are not standard-sized papers. These inserts offer a professional look that won't leave you compromising on style. With 50 pieces, you'll have plenty of stock to get crafty. Size When Flat: 292mm x 144mm, Size When Folded: 144mm x 146mm.