6 Gem Colors: Metallic-toned Gansai that sparkle like gemstones; ideal for calligraphy, illustrations, brush lettering and more; with excellent opaqueness, the deep colors embellish the paper and stand out boldly Opaque on Dark Paper: Gansai Tambi Gem colors is a set of glittering metallic in the series; by dissolving it with a small amount of water, it can be beautifully colored even on dark paper Brush Dexterity: Gansai Tambi pans are much larger than typical watercolor pans, giving you the ability to use both small or large brushes quite easily Certified Safe: Conforms to ASTM D4236; ACMI-certified with AP mark for safe use in the United States; perfect for gifting Hand-Filled in Nara, Japan: Larger paint pans make it easy to use ultra-fine detail brushes as well as wide brushes to cover larger areas without losing color; each pan is carefully filled by hand at our headquarters in Nara, Japan