Safety, security, protection and signalling devices; optical reflectors; optical devices, enhancers and correctors; reflective apparel and clothing for the prevention of accidents; reflective articles for wear, for the prevention of accidents; reflecting discs for wear; reflecting strips for wear; reflective safety vests; reflective backpack covers for the prevention of accidents; reflective safety vests for pets; helmets for bicycles; reflective cover for bicycle helmets; computer software; ...