Silver-colored brass. Engraved logo details. SIZING:,Women's L/Men's XXS = Size 5 (internal diameter 17.8mm/circumference 56mm),Women's XL/Men's XS = Size 6 (internal diameter 18.5mm/circumference 58mm),Women's XXL/Men's S = Size 7 (internal diameter 19.1mm/circumference 60mm),Men's M = Size 8 (internal diameter 19.7mm/circumference 62mm)
