According to the weight you want to subtract, choose the corresponding amount of use.
20 bottles (Buy 10 Get 10 Free): Suitable for people who want to lose more than 18-40kg.
10 bottles (Buy 5 Get 5 Free): Suitable for people who want to lose about 10-15kg.
5 bottles (Buy 3 Get 2 Free): Suitable for people who want to lose about 5-10kg.
3 bottles (Buy 2 Get 1 Free): Suitable for people who want to lose about 1.5-4kg.