... 20mm diameter 4) OEM & ODM orders welcome Alloy Rhinestone Button (BT069) details: ProductAlloy Rhinestone ButtonItem ... NoBT099MaterialsRhinestone,Zinc alloy,PlatingMeasurement 20mm (any size is available) ... metal,anti-bronze...available)ApplicationGarment,bags,footwear,jewelry,browbands,furniture,gifts,wedding decoration...anything you wantPaymentTT ...