They were already a big hit with our globetrotting customers who like their possessions to arrive in one piece, but our ultra-tough, lightweight 4-wheel suitcases have great new design improvements we know you'll love yet the price is no higher. As used by the world's leading luggage manufacturers, the tough yet lightweight polycarbonate 'shell' offers incredible strength without excess weight & now features a streamlined 'backbone' design giving even greater rigidity & extreme resistance to knocks & shocks. Making your journey easier, both cases are mounted on four rugged 360?-rotating wheels so they can be pushed or pulled along with minimum effort & simply nudged forward in a queue. & once you've checked in, your possessions are protected by the latest US security-approved TSA combination locks to prevent theft whilst allowing staff to gain access without damage to either case or lock. Medium measures 14" x 9 x 22", weighs 6lbs (2¾kg), 40 litre capacity. Large measures 17½ x 11 x 26½, weighs 7½lbs (3.4kg), capacity 70 litres. Proven to withstand the impact of. 22 air rifle pellets Drop tested to prove corner strength & contents protection Pressure tested under the weight of seven 66lb (30kg) suitcases Easy-to-manoeuvre & extra secure US security-approved TSA combination locks Robust retractable trolley handles & strong rigid carry handles Available in Titanium or Charcoal Choose Titanium or Charcoal