Plastic;Clear storage tube with 3-in-1 multi charging cable; Power/Technology: Input: 5V; Output: 1A; USB 20; Includes USB to USB Type C and 5 pin lightning + micro USB; Clear storage tube made of AS Plastic with color Silicone lid with metal carabiner attached; Cables may be used simultaneously; Note: USB C is for charging only, no data transfer function; Iron carabiner measures approx 1.96"l; PVC charging cables measure approx 8"l; Not an Apple® authorized product, use at your own risk; Product Size: 4.5" h x 1" dia.;