Product Description Specifications Reusable thermal patch with heat effect in an original Christmas design with printed snowflake. Materials: PVC Features: Reusable thermal patch with heat effect in an original Christmas design with printed snowflake. 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 th Decoration Position: Rear Print Size: 3.5 x 3.5 cm