Essential Oil Accessories Set, Roller Bottles, Inhalers, Fine Mist Spray, Glass Jar Four different ways to make your own essential oil products, plus plastic funnel and pipette, all in one kit. 4 10 ml Amber glass roller bottles with steel roller, each bottle inspected for proper roller and lid fit. Make your own linen spray with the 30 ml / 1 oz amber glass bottle and white fine mist spray nozzle. For use with thinner, less viscous liquids such as FCO, witch hazel, water mixed with your favorite essential oils. Often times inhalation is the best method, and these 2 blank, 4 piece personal inhalers are discreet and travel sized. Whip up your own lotion with the included 50 ml glass jar (1.69 oz.)