Misto is the #1 Selling Oil Mister Brand in the U.S (Source: The NPD Group, Inc./Retail Tracking Service. 52 weeks ending April 2016);Reusable oil spray and mister bottle gives you the convenience and health benefits of an aerosol sprayer in a more economical and environmental form;Fill MISTO with your favorite oils, vinegars, lemon and lime juice, sherry, or marsala wine. Great for salads, breads, or cooking;Easy-to-use pump style cap features a 2-step operation: simply pump the container, then and press the valve on the pressurized sprayer for an even mist.;Environmentally friendly: The non-aerosol sprayer doesn't use chemical propellants, and it's refillable, so no more throwing cans away to end up in landfills. MISTO is BPA-free. Threading the cap on incorrectly allows air to escape and in turn does not allow the bottle to build up pressure to spray.