To provide a winding coaster capable of preventing droplets from being dropped on and attached to the clothes being worn, by winding the coaster around a container with a cold drink, keeping the drink cool for a longer time, and extending the time of ice melting to dilute the drink.

The winding coaster comprises a water absorbing insulation strip 1 having a water absorbing property and an insulation property, where joint strips 2 with an adhesive or a projection at the tips are provided at the top part and the bottom part.