【Colorful Organization】 This set includes 300 PCS index cards in six different soft colors (50 cards per color) with 6 matching metal rings, perfect for color-coded organization 【Portable Size】 Each flash paper measures 3x5 inches, making them compact and easy to carry 【Outstanding Quality】 Made from heavy thick paper, these flashcards offer a smooth writing experience without ink bleeding through 【Double-Sided Design】 Utilize more writing space with the double-sided design, perfect for detailed notes and information. 【Versatile Usage】 Perfect for study notes, flashcards, to-do lists, and other informational needs.