This 2/3 ounce jar of Cobalt Blue Procion MX cold water dye by Jacquard is a concentrated dye that is permanent, colorfast and washable. Create a palette of brilliant colors on all natural fabrics including cotton, rayon, linen, paper, reeds and wood. One of the most versatile dyes on the market Procion MX can be used to tie dye, batik, airbrush, hand paint, print and more. A 1oz bottle can dye more than 5 yards of fabric or about 9 shirts. Instructions on jar. Made in the USA.