It is flexible - suitable for loosening and tightening. The bracelet is 6 cm wide but flexible. You can tighten or loosen it according to your wrist size. Heart figures are 0-50 cm and 1 cm in size. Lacquer coated brass with zircon stones. Since the product is a jewelery item, keeping it away from alcoholic products during use will prolong its life. Returns cannot be accepted for products whose packages have been opened.