One Piece hard enamel pin series. Contains Luffy enamel pins, Zoro enamel pins, Sanji enamel pins, Luo enamel pins. Hard enamel process, filled enamel colors, plated in gold. Product name Custom One Piece Hard Enamel Pin Material Zinc alloy / Stainless Steel / Iron Design 2D/3D, Custom shape+logo Technology Soft enamel , Hard enamel ,Die Struck Ect Shipping FedEx / DHL / UPS / TNT etc.