E-Z Grad BottlesIdeal for liquids, solids and powders! Graduated Bottles in Five Sizes 30 ml (1 oz 11 dram) to 180 ml (6 oz 60 dram) Green or Amber Colors Both are Ultraviolet Inhibitant One Size Cap Fits All Sizes of Bottles Manufactured from Durable Polypropylene Choose E Z Grad (Child or Non Child Resistant) or TampAlerT Tamper Evident (Child or Non Child Resistant) Caps (Sold Separately See Below) Works with Our PBA33 Press In Bottle Adapters Pharmacists often