Comes with a straw and fixed ring, this color changing bottle is easy to drink water and the straw will not slide out easily.Featuring color changing, this rainbow straw cup will change color with cold temperatures and cold liquids, which is funny.Made of PP material, this rainbow straw cup is food grade and eco-friendly.The upper diameter of the rainbow straw bottle is 9.8cm, the bottom diameter is 6cm and the height is 17.3cm.It is suitable for office, cafe shop, sports, camping, home and so on.Item Name: Rainbow Straw CupMaterial: PPCapacity: 700mlSize Details: Upper Mouth Diameter: 9.8cm/3.86" (Approx.)Bottom Diameter: 6cm/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 Rainbow Straw Cup