Pacific Merchants Acaciaware Round Calabash Bowl, 4-Inch by 1.5-Inch, Set of 4 Hand crafted and hand turned from one solid piece of Acacia hardwood Completely food-safe for both hot and cold appetizers or entrees Acaciaware is extremely hard with a tight grain making these nut, spice and condiment bowls resistant to water penetration, will not stain and will not pick up odors Acaciaware is easy care! Simply wash the item with warm soapy water and air dry. Not microwave or dishwasher safe. Trust genuine Acaciaware as responsibly forested. That means that our wood is harvested from healthy forests and is done so in an environmentally sustainable manner.