made from hardest wood in forest of Malaysia. very tought and waterproof - you can clean up after use. Its personal and hygine. heat - used riverstone (provide) heat untill red. Put on to claypot with ready mixture of herb (free 1 sachet). the steam herb will come out and its very good for remedy.- blood circulation- detoxification - remove fat and wind- avoid water/wind retention- remove dead cell- recover body system for mother after childbirth- reduce cholesterol level- clean and refresh skin- men - regain stamina and physical for men- women - refresh body and avoid common illness for women- reduce obecity- avoid cramp