Foldable coffee cup: This foldable water cup is made of food-grade silicone and PP material. No peculiar smell, resistant to pressure drops, can be installed with hot and cold water, safe and environmentally friendly.Intimate design: Equipped with a reusable straw, the cup lid is designed with a drinking port and screw seal to prevent water leakage. The grip part will not slip off and can be kept in place well, and provides heat insulation and provides better support.Versatile Travel Mug - Enjoy your favorite hot or cold beverage whether it's coffee, juice, water or more. Once you've finished picking your drink, simply fold and store. This multifunctional travel mug is one of the household essentialsWide Application: This reusable mug is perfect for travel vacations, outdoor sports, or your everyday portable office coffee mug. It can easily fit in your backpack, pocket, and wear with a straw.Capacity and Adjustable - Maximum 450ml capacity, you can adjust the size to suit your needs. Easy to clean and carry. Available in grey, light blue, green and red Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.