PACK of 6 MATTE BLACK IRON OXIDE Soap Dye Tint D.I.Y Color Block Color Melt & Pour Soap Mp Dye Block Melted Bath Soap Bar SHIPS FAST!!! You will receive 6 concentrated pigmented Iron Oxide BLACK pigment color blocks. Weight 5.5 grams - 6.0 grams each cube. This color has a matte finish. Each little block weighs between .20-.22 oz. or up to 8 grams each. Enough to color DIY soap and melted soap making. Use this in clear or opaque soap bases. If you use it in a white base, you will get a pastel color This color is made with Melt and Pour liquid base and Iron Oxide (Black). Contains MP Soap Base, Coconut Oil, Sunflower Oil, Palm Oil, Water, Soy Bean Protein, Sodium Hydroxide, Glycerin and Iron Oxide Pigments. HOW TO USE: Simply shave bits off into a heat safe container, add your melted M&P Base and stir until the shavings are completely dissolved/melted. For lighter shades of this color, start with a small amount. For darker shades add more until you reach your desired shade. It's non- bleeding, migrating, or staining. Usually colors 4-9 pounds of soap. It is MP soap tested only.