Bel-Art Safety-Labeled 4-Color Acetone Wide-Mouth Wash Bottles; 500ml (16oz), Polyethylene w/Red Polypropylene Cap (Pack of 4) (F11716-0001) Wide-mouth wash bottle used to wash labware and to store washing solutions, such as acetone or deionized water LDPE body for flexibility, elasticity, and impact, stress-cracking, and moisture resistance, and is lightweight Cylindrical shape for a wide variety of applications that require solution containment Polypropylene screw closure with its angled stem and draw tube molded in one piece for leak-proof applications Permanent, chemical-resistant, color Right-to-Know label provides flammability, health hazard, reactivity, and health warning information