This Disney Frozen Elsa cold changing glass is sure to get your morning off to a cool start! At room temperature, the front of the glass shows deep blue line art of Elsa casting a magic spell. When cold liquid is poured in, the glass transforms to reveal a wraparound design that features various snowflakes. Once the drink is finished the glass returns to its original state as it warms back up to room temperature. An essential for any Disney or Frozen display.