100% mineral base from volcanic lava. Health benefits: 1. Reduces inflammation 2. Promotes unclumping of cells 3. Enhances circulation 4. Enhances immune and endocrine systems 5. Has the ability to destroy viruses and bacteria 6. Enhances the cellular nutrition and detoxification 7. Enhances cellular permeability 8. Increases energy 9. Helps to protect dna from damage 10. Helps to fight cancer cells Specification: Base material: negative ions and infrared ray volcanic lava Stone: no stones Size: 7-8.5 Minioq: 100pcs Leadtime:30-40days