This Jacquard Soda Ash will come in handy for your next project. It is designed to be easy to use and can come into play for many different creations. You will get a package that contains a bag that has 5 lbs of the substance in it. It will make a useful addition to the rest of your art and craft supplies. Use this product in the home, classroom art studio or anywhere else you create original pieces.It is made to conform to ASTM D4236-89 standards, which adds to the appeal. Using this will allow you to activateand set Procion dye with ease.