Small - Size 7.5-8.5 (can be opened to become larger)
Medium - Size 9.5 (can be opened to become larger)
Large - Size 11 (adjustable to 11.5-12)

Instructions for Use
1) These products are personal and should not be worn by more than one person.
2) They can be worn underneath or over clothing.
3) Preferably, they should be worn all day.
4) They should be placed on the clearing tray (Included) once a day for at least 1 minute, in order to restore the efficiency of the product and clear the metal from all mental, physical, and emotional impregnation.

BioGeometry is not a form of medical diagnosis or treatment but is a long-term environmental support for the body’s energy system and all types of treatment. Under no circumstances should BioGeometry products replace professional medical treatment.