Scroll photos to see all types of stones. Description Basalt Neck Contour Stone This Basalt Neck Contour Stone is ideal for placement under the neck, knees, or on the soles of the feet. It can also be used as a larger deep tissue or rolling stone.  Approx. size: 3-4″ long by 1″-11/2″ diameter Basalt White Cold Therapy Stone Set, 6 Stones These six white basalt cold therapy stones have the ability to hold the cold and are ideal for treating injuries, toning and stimulating, or reducing redness and inflammation. They are excellent when used in combination with the black basalt stones providing contrast hot and cold stone therapy. Stone size approx. 1.5″-2.5″ Basalt Sacral/Stomach Stone This Basalt Stomach/Sacral stone is an extra large stones intended for placement on the sacrum or stomach. Due to it’s size, it has the ability to hold it’s heat for a long period of time. Approx. size: 4.5″ diameter by 1″ thick Basalt A La Carte Stone Sets of 8 Select from 4 different sizes – cozy toe/finger stones, small, medium and large. Each set contains 8 stones of the selected size. These are ideal if you need to add more stones to an existing set or if you want to build you own custom set. Approximate stone sizes are: Cozy Toe/Finger – 0.75″-1″ $45.00/set