The budget acrylic grinders are available in an assortment of see through colors. About 2" wide, features acrylic teeth to easily grind teas, herbs, spices, tobacco and more. 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. If the substance is not ground enough, close it and twist a few more times. Don't let the low, cheap price fool you!