High quality, wonderful gifts for you and your friendsSize: as picture show (adjustable)Material: alloy Package included:4X Adjustable Open Ring Note:There may be a little size error approx 0.5-1mm because of the measuring errors.Item color will be a little different because your computer contrast and the monitors are not calibrated the sameDinosaur RingsGoing back to the Jurassic era is an interesting thing I think Tyrannosaurus and Triceratops will be a very suitable couple just like you and me. Adjustable Branch RingDiameter is about 0.9 (2.3cm) Fully adjustable ring will fit almost every size hand comfortable to wear. Beautiful and sparkly. Rings MaterialAlloy Delicate bling pure and pretty. The high-end and elegant appearance sets off your Noble temperament. Commemorative Gift The growth ring represents a person s life is not smooth sailing it is a valuable commemorative gift for your family and another special occasion you would like to make memorable.