By Addison Ross FSC certified rubber wood; stainless steel screw knob High-gloss lacquer Do not leave in prolonged direct sunlight Gift boxed Wipe clean with damp cloth Imported How To Use: Using a ceramic mechanism, the mill requires a clockwise motion to activate. The mills can be used for grinding either Rock Salt (Dry Salt Crystals) or Black Peppercorns. Not to be used for sea salt, wet salt, or dried wet salt or pink peppercorns. Bobbin Mill by Addison Ross in Green at Anthropologie