Description: Just Add cold water or ice below 15 degree, then you can watch the beautiful color changing happen. This compact and lightweight water cup is easy for you to carry in your backpack to meet your drinking water needs. 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, home, household, 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: 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