... use all aluminum trolley,which produces standard,can bear about 100 kg pressure,well-designed,more durable. wheels:use high quality wheels,stainless ... travel without any menace from the ‘rear’. zipper:use high quality zipper,high strength,streth-proof,hard to twist,can be repeated ... logo,and other your requests all can be meet. Produce NO. 626# price USD35-40 per setusage/design Business/Travel/Leisure ...