The Official Online RBS 6 Nations Store is open. The store has everything you need to get behind your team during the RBS 6 Nations, plus the store is now fully stocked with a much wider range of rugby merchandise.
While Steffon, 24, who will be hoping to wrestle the England number seven jersey from Leicester flanker Lewis Moody in February, has signed a new contract until 2011-2012.
Coach Booth said: "They are two of the most talented players in rugby at the moment, and outstanding at both Test and club level.
"Knowing they're with us for the long haul is a boost in terms of confidence, stability and future success."