Natural Home Molded Bamboo Ribbed Measuring Spoons Molded bamboo is produced with rice starch and an all-natural, plant-based Binder Bamboo inhibits germs and bacteria Bamboo's density makes it naturally water-resistant Dishwasher safe: top rack only Sizes: 1 tablespoon, 1 teaspoon, 1/2 teaspoon, 1/4 teaspoon