The clear acrylic part on the grinders will give you a clear idea about the level of your spice and is easy to refill. The salt and pepper powder will only come out when you press on the top. Besides that, they are sealed up the same as supposed to be. Features: - Stainless Steel salt and pepper grinder set are built to last a lifetime. - These mini salt and pepper mills require no batteries and are made with a ceramic grinding mechanism for fine or coarse grinding based on your preference. - These shakers work great with black peppercorns, Sea Salt, Himalayan Salt, Spices & gourmet Table Seasoning. - The beautifully-finished grinders look great on tables or near the stove top. Thumb operated to make it easy to use with a single hand. - Size:2.7 x 15 cm - Material: stainless steel - Color: Silver What's in the box 2 x Mini Salt & Pepper Grinder