Right-to-know safety-labeled wash bottles feature a wide mouth 53mm 2 for easy refilling. Bottles are pre-printed with the chemical name and formula, the national fire protection association nfpa section 704 four-color diamond, health hazards, chemical abstract system cas number, and suggested protective clothing and equipment. leak-proof 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 provides compliance with osha requirements outlined in hazard communication standard 29 cfr 1910.1200 500ml – 4/bag, 1000ml – 4/bag; assortment is 6 per bag, includes one each: acetone, bleach, distilled water, ethanol, isopropanol, and lyob note : use lyob only with solvents compatible with ldpe