Infilled. Salt. Gourmet Precision System: Pre-set grind settings professional seasoning. Easy to fill, just hold base and pull off the lid. Fill with coarse sea salt or rock salt not sea salt flakes. Select grind level by turning the dial and lining up the arrow. For use and care please visit our website. DKB welcome home. Food safe. Lifetime mechanism guarantee. www.coleandmason.com. www.dkbrands.com. Made in China.