... Specifications / Special Feature:1) Material Iron ,brass, zinc alloy, gold, silver, brass ,iron ,stainless steel/iron ,Aluminum ,alloy , soft PVC ... , anti-brass, copper, anti-copper, gold, anti-gold, silver, anti-silver, chrome, Dyed Black , Pearl Gold, Pear Nickel, Double Plating and so on5 ... not authorized to sell items bearing such trademarks. Gold letter pins,metal pins/fashion metal pins/clips