Grumbacher are High quality Acrylic paints. ... Good quality acrylic paint especially for beginners. This is your basic color set that you need for color mixing. Grumbacher Academy Acrylics, a line of 48 brilliant process colors, metallic and iridescent colors, as well as the most sought after traditional colors comprise the improved line of Grumbacher Academy® Acrylics. All colors have an ASTM lightfast rating of 1- Excellent. Academy Acrylics are highly pigmented and have superior tinting strength, but at a single student price. Available in 90 ml metal tubes. Made in the USA. Academy acrylic colors provide the artist with a versatile option for painting and crafting. Thinned with water, the paint can be applied in delicate, translucent layers much like watercolor. Straight from the tube, or thickened with a medium, these colors can be applied to a canvas with the same techniques used for oil color. Academy acrylics can also be thinly applied to layers of paper for a decoupage effect. The possibilities are as limitless as the artist's imagination. Key Features: Metallic and iridescent colors Highly pigmented Superior tinting strength 90 ml metal tubes Strong adhesion Perfect For: Artist grade paint Genuine and pure pigments Pure cadmiums ASTM lightfast rating of 1- Excellent Colors are lightfast All colors have an ASTM lightfast rating of 1- Excellent and are labeled AP