Main style keychain include: Metal keychain, PVC keychain, Leather keychain, gift keychain, Promotion keychain, souvenir keychain, ect. Here is the detailed information for the metal keychain: 1). Material: Zinc alloy 2). Size: According to customer's requirement 3). Thickness: 2.0-4.0mm 4). Process: Die casting 5). Design: 1 side, Sides 6). Plating: Shiney gold/silver/nickel, just according to customer's requirement 7). Logo: Laser engraving, embossed, printing, photo etching, stamping 8). Color reference: Pantone color chart 9). Epoxy coating: With or Without, just according to customer's requirement 10). Attachment: 32mm flat split ring Item Name Metal keychain,Metal key ring Material Copper,Brass,Zinc alloy,Iron,Pewter Process Die stamping,Die casting,Injection Size customer's size are welcome Thickness 1.2-5mm,based on the design or your requirement Shape Round,Oval,Rectangle,anomalous shape,customized design are welcome Plating Gold,Silver,Nickel,Bronze,Copper,Antique plating,Misty plating,Pearl gold,Pearl Nickel,Chrome Design 1 side,2 sides,2D,3D,customized are welcome Logo Soft enamel,imitation cloisonné,silkscreen printing,offset printing,Laser engraving,embossed Usage Souvenir,collectable,commemorative,promotion gifts,business gift. OEM/ODM Available Color reference Pantone color chart Attachment Split ring Epoxy coating With or without Packing option Polybag,Bubble bag,Velvet pouch,Gift box,Plastic box MOQ No minimum order quantity limited,we can accept small order Delivery time 7 days for pre-production sample,12-15 days for the mass production