Large Size Is About: 8*8cm ( 4 ),8*6cm (4pcs), For Back, Waist And Thigh.Small Size Is About: 3*4cm (8 Pieces), Used For Face/Eye Palm And Hand Joint/Foot Meridian/Ankle Joint And Other Parts. With The Super High Storage Temperature And Conduction Function Of The Volcanic Power Stone, With The Help Of The Essence Of The Specially Configured Natural Energy Essential Oil, Through The Dexterous Hands Of The Masseuse, The Rich Energy In The Ore And A Large Number Of Microcrystalline Ion Elements Are Stimulated To All Parts Of The Body, And The Blood Circulation Is Strengthened. Accelerates Metabolism, Helps Eliminate Toxins From The Body, Restores Physical Energy, Improves The Vitality Of Organs, And Enhances One'S Own Immune Function, So As To Achieve The Effect Of Strengthening The Body And Maintaining Health And Beauty. There Are Two Very Important Meridians On The Back Of The Human Body Called The Bladder Meridian. When The Hot Stone Soaked In Essential Oil Slides Through This Meridian, It Can Purify The Liver And Kidneys And Remove Excess Toxins From The Body. At The Same Time, It Can Also Promote Lymphatic And Blood Circulation. In Addition, The Heat Of The Hot Stone Can Completely Relax The Muscles, Effectively Decompose The Back Fat Tissue, And Let The Body Gradually Show His Perfect Curve In A Comfortable And Warm Feeling...The Role Of Power Stone: 1. Promote Blood Circulation And Improve Microcirculation System2. Improve The Oxygen-Carrying Function Of Red Blood Cells And Reduce Blood Viscosity3. Enhance And Improve People'S Immunity, Can Improve The Body'S Resistance To Disease.4. Anti-Aging Effect5. Eliminate Fatigue And Promote Physical Recovery. With The Extensive Use Of Computers, More And More People Have Stiffness And Soreness In Their Shoulder Muscles, And This Group Is Showing A Younger Trend. And Shoulder Pain Caused By Rheumatism, Rheumatoid Arthritis And Other Reasons Also Troubles Many People. Shoulder Hot Stone Maintenance Will Be Your Best Choice. He Can Strengthen The Blood Circulation Of The Shoulder Through The Manipulation Of The Beautician. , Thereby Reducing Various Discomfort Symptoms.