Description: You can put 15 degrees water into the color changing cup then the color of the cup will change quickly. This product comes with a straw and very portable, you can carry it in your backpack easily and convenient to drink water. Cup is made of high quality plastic and PP material. Cup height is 17.3cm, mouth diameter is 9.8cm and bottom diameter is 6cm. This water cup volume is 700ml. This water cup is suitable for travel, women, men, students, etc. Item Name: Water Cup Material: PP Capacity: 700ml Size Details: Mouth Diameter: 9.8cm/3.86" (Approx.) Bottom Diameter: 6.0cm/2.36" (Approx.) Height: 17.3cm/6.81" (Approx.) Notes: The colors of straw and cup lid are same, and the color of straw of white cup will be sent at random, please note that, thank you 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. Package Includes: 1 x Water Cup