AKURA - Koi Watercolours Pocket Field Sketch Box. Take the durable Koi Water Colors Field Sketch Kit into nature, metro settings or just the backyard. Light weight and sleek, these portable kits slip easily into a shirt or jacket pocket. On-site watercolor painting is simple with a studio right at an artist's fingertips. Painting landscapes is simple while on hikes in the country side, while scaling mountain tops, prospecting an ocean panorama or maneuvering urban landscapes. Each fully contained kit features a water brush, sponge, a removable palette and eighteen mini watercolor cakes in a sturdy plastic case measuring only 4-1/2x6-1/8x1-3/16in. Paints conform to ASTM D4236.