Product Description Specifications Reusable thermal patch with heat effect in variety of colours Features: Reusable thermal patch with heat effect in variety of colours To activate, bend the metal plate so that the patch hardens and heats up. For reuse - heat water in a container with the patch inside until the inside gel returns to its liquid Decoration Position: Centered - one colour print only Print Size: 4 x 4 cm - One colour print only Product Materials: PVC