This OXO Good Grips Salt & Pepper Grinder Set is made from brushed stainless steel and acrylic. The ceramic grinders are located at the top of the mills to prevent leaving a mess of the table. With easily adjustable grind settings, each mill rests flat when inverted for easy refilling. The OXO Good Grips Salt & Pepper Grinder Set is supplied already filled with sea salt and black peppercorns. Each OXO mill measures approximately 14cm high with a 5.6cm diameter.