Debra Dale Designs - Ruled Index Cards - 5 x 8 Inches - White - 300 Cards - 3 Packages of 100 - Extra Heavy 140# Index Card Stock - 253 GSM - .0118 Thick (5x8) Ruled on one side. 140# Index. Bright White Smooth Finish on the Heaviest Weight Card Stock that we can buy. Suitable for long term use with any type of pen, pencil or marker. Made in the USA. High quality and precision cut from paper also sourced in the USA. Rest assured that your index cards will be suitable for any purpose. 300 Quantity. Plenty of cards for multiple uses and purposes. Can be used for flash cards, note taking or recipe cards. Recycled Paper. Paper contains post consumer recycled content. These cards are the ecology friendly choice. Wrapped in 100's. Conveniently packaged for organized and safe storage. You can open one package and keep others in reserve for future projects.