WaterWell Bottle .. Durable plastic bottle provides water media artists with a convenient supply of clean water for sketching and painting away from the studio.  Holds 16 oz of water which may be used one ounce at a time.  When water in the “painter’s cup” is dirty, spill it out and squeeze the plastic bottle once or twice to refill the “painter’s cup” full of clean water again.  8”x 4.5”