Safe silicone: food grade material and PP. Non-toxic, easy to clean, drop-resistant, durable, temperature-resistant -40~200 degrees, safe and healthy for the whole family. Reusable and Environmentally Friendly: The reusable coffee mugs are easy to clean and reusable, reducing unnecessary plastic waste and protecting the earth from plastic pollution. SIZING INFORMATION: Collapsible mug holds 12oz/350ml. Height before folding is 3.6"/9.2cm. It is only 1.5"/4cm high when folded. With a temperature range from -40F to 200F, you can enjoy your beverage hot or cold. Portable Design: Slim Folding Design and Portability: The silicone collapsible travel mug fits perfectly in your pocket, purse, backpack, suitcase without taking up space, perfect for outdoor hiking, camping, travel and sporting events.Thoughtful Design: The sturdy base makes the coffee mug less likely to tip over. Expanded size: 13.7*8*8 cm, folded size: 6.5*8*8 cm Color: purple, blue, green, pink (optional) Package includes: 1*coffee mugNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Note: Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name and other information is incorrect, the order will not be delivered correctly.)