Material: Metal Color: Silver Ring Inner Dia:  S: 38 mm/1.5 inch (110 g/0.24 lb/3.88 oz  ) M:  41 mm/1.6 inch (110 g/0.24 lb/3.88 oz  ) L :  44 mm/1.7 inch (125 g/0.27 lb/4.4 oz  ) XL:   47 mm/1.8 inch (125 g/0.27 lb/4.4 oz  )