Blue glass boston round bottles paired with black ribbed fine mist sprayers are available here in an 4 oz size. The cobalt blue glass bottles feature sloped shoulders and a narrow neck and offer high durability and UV protection for light sensitive products. These 4 oz glass bottles have an impermeable construction not to alter your ingredients. The black fine mist sprayers matched with the 4 oz bottles dispense thin liquids in a fine mist and come with clear styrene hoods to prevent unwanted discharge or dust reaching the sprayers while stored. Test these blue glass bottles with fine mist sprayers for a variety of liquid products.