This item is so hot in the everywhere，Sports time，Yoga time，Go to the Gym and Out door either，The material of safety wiht simple designs that's your best choice^^.Dishwasher safe:do not use in microwave or with hot or warm liquids，Cup made of BPA-free plasicSizeDiameter 65MM × height 195MM / 500mlGreat popularity Today's Special Readily CupHeat temperature: -40 to -100 degrees