SP Bel-Art Polythylene Snap-on Cap Styrene Vial, 11ml, 20mm Diameter x 48mm Height, Heavy, Rigid-wall, 144/Pack Pack

Excellent for storing dry materials, powders, tablets, and other samples. Made of glass-clear styrene for complete visibility and can withstand temperatures from -20 to 70°C (-4 to 158°F).