MATERIAL: Hypoallergenic stainless steel and natural stones, the stones are mounted on a durable laser-welded stainless steel cable. Very lightweight, it can always be worn and is water-resistant. STEEL ELEMENTS: Diamond-cut stainless steel spheres - 6 mm diameter - polished finish TYPE OF STONE: Tourmaline-malachite STONE SIZE: Approximately 6 mm - spherical shape - polished finish SIZE: The bracelet is adjustable, 18 cm long + 3 cm extension, and can be worn on wrists with a diameter of 16 to 20 cm. GIFT PACKAGING: The two bracelets are delivered inside the gift box along with the warranty certificate.