IDEAL FOR COOKING AND SERVING, the mill is refillable, so you can ensure you've always got your seasonings on hand. MARBLE EFFECT: it's made of robust plastic, with a white marble effect finish, and comes with interchangeable 'S' and 'P' caps. STRONG GRINDING MECHANISM: this rust-resistant ceramic mechanism makes light work of the toughest peppercorns and sea salt crystals. A GREAT GIFT: this 17 cm (6") grinder makes a thoughtful Christmas or housewarming gift. Includes MasterClass's 5 year guarantee. MasterClass Salt or Pepper Mill (17cm) - Marble Finish