Dr. Ph. Martin's Hydrus Fine Art Watercolors are simply remarkable! These watercolors come to you already in a liquid form. This means that you get a pure, high intensity watercolor that is perfect for use with a spray bottle, oiler boiler or brush.Each bottle of watercolor paint is equipped with an eye-dropper inside the lid for moving the color to your palette or paper easily without wasting a drop!You can even let these watercolors dry right inside your palette without worry. They don't ever crack! Just reactivate each paint color with a drop of water.Set 1 - This paint set includes 12 bottles with droppers: Hansa Yellow Light, Gamboge, Brilliant Cadmium Red, Deep Red Rose, Quinacridone Magenta, Phthalo Green, Phthalo Blue, Ultramarine, Cobalt Violet, Venetian Brown, Carbon Black and Titanium White. These bottles are 15ml in size.