FlexiTunnel manufacture and distribute the FlexiTunnel Calf Rearing Concept and the FlexiTunnel Portable Greenhouses. The greenhouses range from 50 to 500 m2 and are purpose-designed to be easily moved over successive crops. The FlexiTunnel Calf Rearing Concept incorporates every design requirement for the perfect calf rearing facility for any number of animals. Manufactured in Canterbury and sold throughout NZ since 1999.