... PVC, PP, PET, Plastic, Paper,ABS,metal,zinc alloy,led,acrylic ,Crystal K9 etcSize /Shape:Standard credit card size / ... rectangular shape, round shape, or other customized shapes /sizes are all available.Thickness:Customized, from 0.30mm ... markets, parking, schools, especially for travel and airline companies. led key chainpvc key chainsilicone key chainmetal key chainsolor key chainleather ...