New & Revolutionary O, HO & N Scale Roadbed. The Benefits: Quieter Operation (Sound deadening material). Smoother Operation (Cushions Vibrations). Easier to Use (Tack or Glue Down, Flexible, No soaking, compatible with cork, won't dry out or crumble). Better Value (Higher Quality...Lower Cost). Certified by the NMRA as meeting all applicable standards for roadbed! Available in individual strips or in packages of 12 (WD1473) and 36 (WD1463).