Restore free-flowing harmony to your body's energy field. BioForce balance &wellness bracelet features a center hologram designed to interact with an individual's biological energy system, with the goal of renewing energy, restoring balance and calming your spirit. A harmonious energy system is also believed by many to help encourage deeper concentration, sounder sleep and increased flexibility. Durable silicone bracelet resists bacteria and odors. Choose from 3 sizes: small, medium or large.