Master Massage Stone, Black, 50 pcs

100% Natural Black Basalt No Wax No Dyestuff No Chemicals No Radiation Packed with a Natural Bamboo Box. 2 Extra large ovular basalt (1 for sacral, 1 for stomach): 4.5" x 3" x 1.1"; 6 Large flat ovular basalt size (4 for backside, 2 for thigh): 3" x 2.3" x 1". 14 medium flat ovular basalt size (4 for leg, 4 for arm, 2 for palm, 4 foot) : 2.6" x 1.9" x 0.7"; 6 Small flat ovular basalt (2 for forehead, 2 for head crown, 2 for hindbrain):1.5" x 1.2"x 0.7". 6 Round compressed basalt (for bed heater under the backside) : 1.7" X 0.3". 6 Small circular facial basalt: 0.9" x 0.3"; Toes (for feet); 2 Small ovular white marble (for cool therapy) : 1.7" x 1.2" x 0.3".