Contains 15ml or 0.5oz of embossing powder which is great for use with all your card making, scrapbooking and many other crafting projects.WOW! Primary Colours is a range of basic colours designed to give the crafter a good starting point in Embossing. These powders are smooth flowing and very glossy. Simply sprinkle powder over wet ink, then remove the excess by tapping sheet. Heat with a heat gun. Then the powder should melt and raise but will take a few seconds to solidify.