Pack of 80 cards. Size 7.5 x 12.5 cm. A navy blue frame helps organize your subjects by color while maintaining the contrast and legibility of a white background. 5x5 mm squared on both sides. Identical front and back. Available in 11 frame colors and 3 kinds of ruling: 5x5 mm squared, ruled, or plain white. Premium 250g card: smooth for comfortable writing and stiff for sorting and durability. Rounded corners prevent the cards from getting dog-eared. Cards are compatible with the Scribzee app to scan, save, and test your revision. Made in France.