Item# WCANTIS010 These flexible anti-static polystyrene weighing canoes are for handling liquid or solids. They are ideal for controlled pour-off with contour sides. They provide a convenient non-slip gripping surface. They are very light and weigh less than 1 gram. They’re very useful in weighing very small amounts of material and ideal for use with milligram scales. They measure 1-13/16” x 2-1/4” x 1/2” deep. Each weighing canoe weighs approximately 650 mg. Pack of 10