Material plastic Color natural Capacity 12.96 oz About this project Made of natural wheat straw and food grade pp, it is a biodegradable, environmentally friendly and healthy tumbler. Unbreakable, durable, non-plastic cup. Whether cold, hot or dropped, these cups will not break. you will like it 13OZ/400ml. 4-piece set. Anti-slip, feel good. Design that combines beauty and comfort Dishwasher safe, microwave safe, refrigerator safe. Easy to use. These cups can also be stacked when you are not using them. save space. Multifunction. These cups can be used in the kitchen and outdoors, for coffee, tea, water, milk, juice, soda, picnics, etc.