Large Capacity The wide opening and 500ml large capacity make it perfect for holding coffee, tea, hot coffee, ice cube, smoothie, icy water, water, thicker shakes or smoothies etc. Great for you to take beverage with you during your trip in four seasons. Better Quality Travel Mug Tumbler is made from 18/8 stainless steel and PP material, and applied ultramodern double-wall vacuum technic. It can keep the temprature for 6-8 hours so you can enjoy your refreshing drinks for a longer period of time. The material is of food grade, non-toxic, BPA-free, safe and healthy for adults and children. Special Design The silver stainless steel appearance is concise, elegant and durable. The special design of straw and lid allows you to use it in two different ways. You can either drink beer with the wide 360 opening or have juice with the stainless steel straw. Leakage Proof The tight lid helps you easily store your drinking water without overflowing to ensure its safety. Please be careful that there is a straw hole in the lid that needs to be inserted into the steel straw, the liquid might leak out when the cup is completely inverted. The cup has a unbreakable steel straw. Easy to clean The mug is super easy to clean with its wider mouth and narrow bottom. It is recommended to use a straw cleaner and cup cleaner for hand washing. Please be aware that the travel cup is not suitable for dishwashers.