Heathrow Scientific HD14251A Polystyrene Small Hexagonal Weighing Boat, 38mm Length x 25mm Width x 9mm Depth, White/Antistatic (Pack of 500) Bend flexible boats at points to form pour spouts Flat bottoms and sloping sides provide accurate transfer These antistatic, polystyrene boats are non-reactive to most substances Resist temperatures to 158 degree F (70 degree C) Measures 38mm length by 25mm width by 9mm depth