The body, handle and internal components of the coffee grinder are built with food grade stainless steel and acrylic to give you a durable product, built-in adjustable grind selector you have precision control over the coarseness of your Pour Over, Drip, Chemex, Cold Brew, French Press, Percolator, AeroPress, Turkish, Espresso, Keurig K Cup, Herb, or Spice grind. No batteries, power, or long plastic cords needed to operate your portable compact coffee grinder, allowing you to travel with and brew freshly roasted ground coffee beans on your next camping, hiking, backpacking, or outdoors trip.