Sargent Art 22-6210 10-Count 4-Ounce Watercolor Magic Washable - washes from most fabrics and surfaces with simple soap and water, may stain some porous surfaces that cannot be laundered^AP certified, conforms to ASTM D 4236, Safe and non-toxic^Made in USA^One bottle can last up to 100 times as long as a watercolor cake; make it go even further, dilute with water^Try it for rubber stamping