For your consideration, here is a New Pack of Avery Aigner Rainbow Index Card Guides, A to Z, no. 5325RB. One set of 25 guides for 3 x 5 card files. There are five groups of colors. The first color is yellow for the letters A to F, and so on. It is in an unopened package. They have rip proof tabs. Item pictured is the actual item up for sale and come from a non-smoking household. (83.980a-.3ob)