Safety-vented wash bottles provide compliance with the globally harmonized system of classification and labeling of chemicals ghs and osha’s hazcom 2012 requirements as pertains to workplace labels. pre-printed with the chemical name and formula, ghs pictogram and signal word, national fire protection association nfpa section 704 four-color diamond, health hazards, chemical abstract system cas number, and suggested protective clothing and equipment unique valve prevents pressure build-up eliminating potentially dangerous chemical drips; allows dispensing of wash bottle in an upright or inverted position wide mouth 53mm 2 bottle for easy refilling translucent ldpe bottles; sodium hypochlorite is white ldpe for light-protection between 230 and 450nm; toluene is red ldpe bottle color-coded polypropylene closures aid in quick and easy identification 500ml – 4/bag, 1000ml – 2/bag; assortment is 4 per bag, includes one each: acetone, isopropanol, bleach, and ethanol