Pure and natural. Since 1886. This salt does not supply iodide, a necessary nutrient. Easy pour. Diamond Crystal Kosher Salt was developed in 1886 using a proprietary evaporation process which created unique, hollow, multi-faceted salt crystals. Today, professional chefs prefer Diamond Crystal Kosher Salt, as our salt crystals have a pure, clean taste and are fragile enough to crush between fingers for precise seasoning control. Diamond Crystal Salt, a brilliant choice since 1886. www.diamondcrystalsalt.com. No additives (just salt!). Kosher for Passover. Sticks to food well. American Culinary Federation seal of approval. Est. 1929. The American Culinary Federation (ACF) endorses Diamond Crystal Kosher salt as a brand preferred by professional chefs. ACF, founded in 1929, is the nation's largest organization of chefs with the highest standards of cooking. Carton made from 100% recycled paperboard. Minimum 35% post-consumer content. Product of USA.