Sennelier French Artists' Watercolor - Indigo, 10 ml, Tube 308 Indigo 10 ml Sennelier l'Aquarelle Watercolor Tubes 10ml - Sennelier is celebrating 125 years of producing the finest artist materials with a new generation of watercolors. Sennelier continues with a bright and lively palette in the tradition of French Impressionists. Featuring 31 new colors, including 50 single pigment colors (many unique to Sennelier), the colors evoke the beauty and vibrancy of Southern France. Sennelier watercolors have been reformulated with increased honey content for enhanced brilliance and luminosity. The honey also acts as a preservative to extend longevity. Available at a reduced price and outstanding value.