Product Name 　NatuMon Mug MATERIAL 　Polypropylene: Cup, Lid 　Silicone Rubber: Lid SIZE 　Capacity: 350ml 　Heat Resistance: 150℃ 　Cold Resistance: -40℃ ※Do not use in a microwave. ■Features Sealed so it won't spill even upside down Size of a takeout cup Lightweight and unbreakable A tumbler you'll want to take with you for everyday use, as well as for outdoor activities and travel ※The color of the product may vary depending on your browser.