promotional crafts wine bottle opener zinc alloy keychains keyring 1.own factory, 12 years 2 OEM welcomed ... souvenir beer glass print logo metal keychains keyring keyholder Materialzinc alloy, or iron, stainless steel, brass, etcSizecustomizelogo print logo or ... double designAttachment Butterfly clutch or plastic clutch, safety pin, tie bar or tie tack, magnet etc 4) PicturesOther designs for you ...