Description: Designed with a spill-proof lid, this reusable colour changing mug helps reduce spills and messes and prevents them from falling off, even if you accidentally spill the mug. With a colour that changes when it meets cold water, this extremely bright mug with lid and straw will liven up your mood and brighten up your day. It is constructed of PP material. This straw cup has a mouth diameter of 10 cm, a base diameter of 6 cm and a height of 18 cm. This water cup is a good choice to be presented to your friends, kids or students as gift. Item Name: Straw Cup Material: PP Features: Large Capacity, Discoloration on Cold, Easy to Clean, Reusable Capacity: 700-800ml Style F is a luminous cup, which needs to absorb light, and only shines when placed in a dark place. Size Details: Straw Cup Mouth Diameter: 10cm/3.94" (Approx.) Straw Cup Bottom Diameter: 6cm/2.36" (Approx.) Height: 8cm/3.15" (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(Straw And Lid Included)