Approximately 2 1/2 x 1 1/2". Set in sterling silver, very limited quantity. All VibesUP jewelry is vibrational therapy and are nature treatments that can be worn. Each piece is a generator of constant ‘nature vibes’ with our special patented formula of gems, essential oils, minerals and flower essences in amplifying liquid crystal with tiny quartz spheres. These tiny crystal batteries have been activated under pressure to emit constant rays of natural energy. These rays can help deliver the nature ingredients to us as we wear the jewelry!