Echomax EM230i Inflatable Radar Reflector DuPont metallized, lacquered and spunbonded fabric array with PVC case; folds down neatly to pocket size and is an ideal addition to the grab bag for emergency use. QinetiQ recorded an astonishing 17m² peak exceeding the RORC requirements by nearly two fold. Can be mounted from halyard. Optional three piece glass fibre rod kit for dinghy or liferaft use.  @+/-3°-17m² peak Dimensions:Length: 750mmWeight: 413 gmsOverall Diameter: 300mm3 piece mounting kit: 247gms NB: The glass fibre rod fixing kit is an optional extra and is not supplied with the inflatable