A6 lined index cards, contains 8 different colors, 50Pcs per color, 400Pcs in total. The flash cards paper size is 148*105mm/5.82*4.13inch. The distance between lines is 8mm. A6 index cards are made of high grade thick paper, durable and wrinkle resistant, smooth writing and no ink bleeding. Index card set is composed of pink, dark blue, light blue, orange, yellow, light yellow, green, purple. Different colors are easy to use for classification of different contents of work and study. Color index cards are widely used in schools, homes, offices, for note lists, memos, diaries, etc. Very easy to carry. Product Description 8 colors to choose from, totaling 400 Pcs. Different colors facilitate classification. Used for review, note taking, diary, etc. A necessary review stationery for children's learning.