Safety-vented wash bottles provide compliance with the Globally Harmonized System (GHS) and OSHA's HazCom 2012 requirements for "Workplace Labels."Pre-printed with chemical name/formula, GHS pictogram, NFPA diamond, health hazards, CAS number, and protective clothingUnique valve prevents pressure build-up, eliminating drips; dispenses upright or invertedWide mouth 53 mm (2") bottle for easy refillingTranslucent LDPE bottles; color-coded polypropylene closures for identification500 mL - 4/bag, 1000 mL - 2/bag; assortment includes Acetone, Isopropanol, Bleach, and EthanolNote: Methyl Ethyl Ketone and Toluene bottles do not include a vented valve.