Parts List: 8× Index Cards Highlight description: [Packing Included] You will get 8 colors of 3x5 inches flash cards, each containing 100 cards per color, for a total of 800 cards, more than enough for your daily study and work needs. [Double Sided] The index card is printed on both sides and can be written on both sides, which is a more economical paper, while the thickened design doesn't have to worry about ink permeability, so you can use it with confidence. [Binder Ring] The index cards come with 8 stainless steel binder rings that can be fastened together for hanging or removing cards, and 16 paper covers that can be color-coordinated. [Easy to Write] The pull out recognition cards for review are made from thick, smooth, durable paper, and these straight lines will help users keep text neat and level and make the most of paper space. At the same time, the paper is durable and wrinkle resistant, so you don't have to worry about ink leaks, and is suitable for a wide range of pens, so you can use it with confidence! [Wide Applications] Our notecards are suitable for systematic study of words, formulas and arithmetic for office work, jobs, business, university, college, school, education, tests, exams, revision, notes, note taking and more! Detailed description: Description： Our index notes come in 8 colors 3 x 5 inches and each color contains 100 cards, for a total of 800 cards, more than enough for your daily study and work needs. And with double sided printing, you can write on both sides, which makes it a more economical paper, while the thickened design doesn't have to worry about ink permeability, so you can use it with confidence. Key Feature: Ink Proof: Our index notes are made of thick, smooth, durable paper which is durable and wrinkle resistant so you don't have to worry about ink leakage, suitable for all kinds of pens and can be used with confidence. Wide Applications: Our notecards are suitable for systematic study of words, formulas and arithmetic for office work, jobs, business, university, college, school, education, tests, exams, revision, notes, note-taking and more! Specification: Product Name: Index Cards Sheet Size: 12.7×7.6cm/5×3inches 100 Sheets in a Single Index Card Material: Paper Color: Light Green + Golden Yellow + Pink + Light Purple + Orange + Light Blue + Green + Lake Blue Note: 1. Order please note: light green + golden yellow + pink + purple + orange red + blue + green + lake blue, 8 colors / package, wrapped with cross tape sealing. 2. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 3. Please allow slight dimension difference due to manual measurement. [Packing Included] You will get 8 colors of 3x5 inches flash cards, each containing 100 cards per color, for a total of 800 cards, more than enough for your daily study and work needs. [Double Sided] The index card is printed on both sides and can be written on both sides, which is a more economical paper, while the thickened design doesn't have to worry about ink permeability, so you can use it with confidence. [Binder Ring] The index cards come with 8 stainless steel binder rings that can be fastened together for hanging or removing cards, and 16 paper covers that can be color-coordinated. [Easy to Write] The pull out recognition cards for review are made from thick, smooth, durable paper, and these straight lines will help users keep text neat and level and make the most of paper space. At the same time, the paper is durable and wrinkle resistant, so you don't have to worry about ink leaks, and is suitable for a wide range of pens, so you can use it with confidence! [Wide Applications] Our notecards are suitable for systematic study of words, formulas and arithmetic for office work, jobs, business, university, college, school, education, tests, exams, revision, notes, note taking and more!