Environmentally friendly material: wheat straw, starch, water and so on. It is healthy, environmentally friendly and harmless to the body. Biodegradable. Size: The cup holds 350 ml and is heat-resistant up to 120 C. Lightweight and durable. Natural, environmentally friendly production, good for your health and easy to use. Creative design with ergonomic thumb rest, easy to grasp and unbreakable. The upper rim of the cup is bevelled to keep dust and germs away. Product descriptions Color: Style DreiColor: 4 pieces. Product features: 1. Material: Environmentally friendly wheat straw, starch and water, harmless to health, can be biodegraded. 2. Colors: green, blue, pink, beige. Size: 350 ml 4. Design: The cup is designed the other way around. The 30 incline prevents the upper edge of the cup from touching the work surface. The bottom dries quickly. Easy to clean, antibacterial and dust-repellent. The beveled top of the cup prevents contact with surfaces, and thanks to the thumb recess, it is stable and comfortable to hold. The R-angle design and inner curve make cleaning easy. The external curve gives it a unique look. The cup with a large opening also offers a large capacity. What are the advantages of this mug? The cups are environmentally friendly and natural, without heavy metals, and are recyclable and biodegradable. Scope of delivery: Mug in 4 colors (green, pink, blue, beige)