These are available in an assortment of see through colors. About 2" wide, features acrylic teeth to easily grind teas, herbs, spices, tobacco and more. Built in magnet keeps the 2 sides of the grinder together and reduces the chance of the ground herbs spilling to the ground, while you grind them. Simply add the material to one side, place the other side on top and close, turn with your hand and grind until the substance is at the correct consistancy.