When the steam sterilization is completed, the color of the indicator strips will turn from yellow to dark brown or black. This indicator tape is designed to secure packs wrapped with woven, treated woven, non-woven, paper and paper/ plastic wraps. After sterilization, the tape can be removed easily and cleanly, no adhesive residue. Packing of Standard Size: Size: 12.5mm x 55m ( 1/ 2inch x 60yard) Packing: 198 Rolls/ ctn Carton size: 43cm x 43cm x 28cm Size: 19mm x 55m ( 3/ 4inch x 60yard) Packing: 117 Rolls/ ctn Carton size: 43cm x 43cm x 28cm Size: 25mm x 55m ( 1inch x 60yard) Packing: 90 Rolls/ ctn Carton size: 43cm x 43cm x 28cm OEM is available, and we can do any sizes both our standard sizes and your required sizes Certification: CE, ISO13485: 2003