Royal Talens C601-16 Angora Watercolor Pan Set - 36 Colors These brilliant non-toxic watercolors come packaged in convenient hinged plastic boxes with transparent Thick transparent and semi-transparent color tablets are high quality&#44; long lasting&#44; and durable. Each removable pan is 30 mm (1 3/16) in diameter and snaps into place in its sturdy case. Set 36 Color.