... one or two layers without chemical, safe to food Bamboo steamer, bamboo food steamer, bamboo dim sum steamer Details:1. material ... (sterilization) ultraviolate disinfection not with chemical, can be used for food directly6.packing: one into a bag, bag into cartons Features ... Economical 2 tier cooking method Works in most food, desserts or frying pans Ideal for vegetables, dumplings, dim sum and more ...