26PC Deluxe Set of Hot Stone Massage Great Basalt massage Stone Hot Cold Stone 8 Large flat ovular basalt stones, (4 for back and 4 for thigh), Length 2.16", Width 3", Thickness 1" 2 miniature point basalt stones, Length 3.15", Width 3", Thickness 0.7" 12 medium flat ovular basalt stones, (4 for arm, 2 palmrest, 2 feet, 4 for calf), Length 1.85", Width 2.56", Thickness 0.67" 4 small flat ovular basalt stones, Length 1.18", Width 1.46", Thickness 0.67"