Learning becomes more interesting with the Brite blank colored index cards. Especially designed for classroom teaching, these blank index cards come in 5 different colors and allow you to write short sentences for teaching. Each Top Notch Teacher border index card measures 4 x 6" and comes with a blank writing area. The package includes 100 Top Notch Teacher Products blank colored index cards. Product Type: Index cards, Color: Assorted Primary Colors, Design: Solid, Dimensions: (W x L) 6" x 4" , Pack Quantity: 100.