Adjustable Ceramic Grinder: Whether you need fine, medium or coarse granules, the adjustable ceramic grinder can meet your needs. You just open the lid and twist the knob on the top of the sea salt grinder to change the size, then get you want fine or coarse pepper/salt. . Easy to Fill Clean: The diameter of the opening is 3cm. With the wide opening ensure to fill the sea salt or pepper quickly. You can rinse with water, dry thoroughly then refill salt or pepper. . Sealing Visible Design: The transparent glass body, you can see whats left of the salt and pepper mills inside, convenient to refill. The sealing lid prevent dust, residue or other unwanted particles from entering the grinder. And reduces moisture to ensure good cooking. . Safe Quality: The salt and pepper grinder mill is made of premium quality glass, PP and ceramic, safe and practical, will not rust. And the glass body doesnt absorb any flavors. Its a professional, stylish addition to your kitchen. . Wide Applications: Perfect for spice, sea salt, pepper, etc. The capacity of grinders is 180ml. Great for cooking, grilling a BBQ or seasoning. The bottom with non-slip design, easy to use and place. .