This Borosilicate 2-in-1 Grinder features a large, prefilled bottom comp smaller, unfilled top compartment for salt. Simply twist the stainless steel bottom to flavor food with pepper, and slide the top lid open and shake to distribute salt. To easily refill the bottom compartment, unscrew the silicone top, pull out the saltshaker, and fill with peppercorns; to refill the top compartment, unscrew the top and fill with salt. This adjustable grinder allows you to easily select a fine or coarse grind. Highly durable, the sturdy construction stands up to daily use, and the ceramic grinding mechanism prevents corrosion. Wipe clean with a damp cloth.