The label is flexible and can be attached on metallic assets easily, specially for irregular and uneven surface,such as steel boiler,metal container,steel pipe, etc. It can be used for metal, liquid and non-metal assets,but better performance on metal and can be printed and programmed by RFID printers simultaneously,such as Zebra R110Xi4, ZT410 Silverline,Sato CL4NX, Toshiba SX-5, Printronix SL4M, Postek Tx3r, etc