In GONR Thailand Heating Mattress, we only select quality materials in premium-graded, including the crystal or gemstones that have been all inspected by the Department of Mineral Resources (DMR) for their genuineness & Real Minerals.

The 12 fiber layers are as followings;

1. Premium PU leather front layer

2. Mesh fiber layer

3. Genuine stones layer

4. Stone backing fiber layer

5. Waterproof fiber layer

6. Foils layer

7. Tourmaline fiber layer

8. Copper fiber layer

9. Metal fiber layer

10. Heating fiber layer

11. Thermal insulation foam layer

12. Premium PU leather back layer