Size:28mm x 12mm,Material:Zinc metal alloy(Lead and nickel free),<p> <b><b><img src="https://contestimg.wish.com/api/webimage/53eb63e9a5716809c976996f-large.jpg"><img src="https://contestimg.wish.com/api/webimage/53eb63e9a5716809c976996f-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/53eb63e9a5716809c976996f-2-large.jpg></b></b></p>