Kit includes: Hot & Cold Massage Therapy Guide to the Total Mind-Body Experience, by Ernest Ortiz, a well known author, teacher, therapist who has conducted workshops for the past 25 years. Specially mined imported basalt river stones. Basalt stones. formed by the cooling of molten lava are known for their smoothness and ability to retain hot & cold temperatures. Two sizes are included for both hot & cold stones. A slotted wooden stone for extracting hot stones. A gold satin pouch for storing hot stones. A silver satin pouch for storing cold stones. BONUS "Pure Ambient Oceania" a 60-minute CD of relaxation sounds.