Fine Mist Sprayer Cap for 1 fl oz and 2 fl oz Amber and Cobalt Bottles This white plastic sprayer cap fits onto both the 1 fl oz (29 ml) and 2 fl oz (58 ml) amber and blue cobalt bottles. Perfect for spraying aromatherapy bath and body oils and sprays, essential oils, flower waters, hydrosols, or perfumes. See our selection of amber and blue cobalt glass bottles.