9pcs Greystone SPA Hot Stone Massage Natural Massager Relaxing Tools Body Therapy Relief Pain by SiamsShop Features: 1. Release your stresses with these hot spa stone. 2. Add essential oil to spa stone that can help your body slim. 3.You can message your face with hot&cool stones on acupuncture points and improve your complexion. Specification: 1.Colour: Black 2.Size: About 3x4cm 3.Material: Greyston Package Included: 9 X Hot Stone