Specifications:Confetti shows on the bottle when it is filled with cold drink.Made of plastic, the glass is convenient to wash.It comes with straw, which is convenient and easy to use.The color of this bottle will change according to the temperature of liquid and weather.Item Name: BottleMaterial: PPQuantity: 5Pcs/SetFeatures: Temperature Sensitive, Portable, with StrawSize: 20cm x 9.8cm x 9.8cm/7.87" x 3.86" x 3.86" (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:5 x Bottles5 x Straws5 x Lids