... alloy, Copper, Iron, Aluminum, etc.TechnicsCarved, casting, painted, plated, polished, welding, etc.LogoCustomer’s logo is welcome. Engraved, embossed, glued, coloring ... , etc.AttachmentMagnet,safety pin,shiny led light,or according to customer's requirementUsageGifts, crafts, or collections, and souvenirs, decorations, promotionals, etc ...