Description: You will have unique drinking experience with this water cup due to its magical color changing design when it meets cold water. Due to Christmas element pattern design, this mug cup can add warm Christmas atmospheres and be an excellent addition to your home. This water cup is constructed of plastic material. The length of this water cup is 17cm and width is 9.9cm. This water cup is a good choice to be presented to your friends, kids or students as gift. Item Name: Straw Cup Material: Plastic Features: Large Capacity, Discoloration on Cold, Easy to Clean Capacity: 710ml Size Details: LxW: 17cm x 9.9cm/6.69" x 3.9"(Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Straw Cup 1 x Straw