... , PP, PET, Plastic, Paper,ABS,metal,zinc alloy,led,acrylic ,Crystal K9 etcSize /Shape:Standard credit card size ... printing, frosted, matte finishing, embossing, barcode, signature panel …String/Strap:can be transparent clear straps or colorful plastic straps ... parking, schools, especially for travel and airline companies. led key chainpvc key chainsilicone key chainmetal key chainsolor key chainleather ...