Master Massage 12 Piece Middle Sized Ovular Black Lava Hot Stone Set Medium Size Oval Stones 6.7 x 4.7 1.7 cm Natural Basalt for Spa, Salon, and Professional Therapy

Designed for treatments on arm, Thigh, calf, palm of hands, arch of feet and back of the neck. The rounded, narrower Edges can also be used to pressurize and knead particularly tense muscles and areas during treatments. 100% natural Black Basalt; excellent for holding heat for long periods of time; rich with iron and magnesium. Shaped and polished by traditional handcraft, no wax, dyestuff, chemicals were applied. Size: 6.7 x 4.7 x 1.7 cm, 12 pieces per pack.