Mortars and pestles are great for crushing, grinding and powdering herbs, grains, spices, nuts, roots and teas. This style of grinding releases flavor best in seeds, herbs, spices and garlic. Mortars and pestles are handy for crushing pills and supplements, too. This set of 3 mortars and pestles have contoured bottoms & pestle head to hold the grindables in place. Porcelain is easy to clean, dishwasher safe and won't absorb food odors or stain.