Apple iPhone 11 Pro Max Cover. Features: - Watch your phone change colour with just the touch of your hand, pocket or anything else with heat that might come in contact with this heat-sensitive phone cover. - Uses thermal sensing colour-changing design, the colour of the cover changes when the temperature on the cover changes. - Simple, comfortable and easy to carry. - Adequately protects device from the normal scratches, dirt, wear and tear. - Buttons and ports are easy to access. What's in the box 1 x Cover