Keep Your Spice Fresh – The airtight lids maintains maximum flavor and quality of your sea salt, black pepper, peppercorn medley, spices or herbs by keeping out moisture. And the perfectly placed grinding mechanism means salt and pepper end up directly on your food, not your table. Fits All Types of Salts and Peppers – The adjustable ceramic grinder gives you ultimate control over how fine or coarse you want that sprinkling of pink salt or dusting of black pepper. Manually operated, no batteries needed, providing you with fresh spices for all your meals.