Delsey's Brand New Helium 250 Gx Collection has: Unbelievably light weight yet fully featured Lightweight graphite copolymer frame same material used in golf clubs and tennis rackets 1682 bullet proof ballistic Dupont Teflon protected nylon Uprights expands upt to 3" for additional space; Fully lined removable suiter, tie down straps, and wet pack for easy storage Recessed locking handle with Velocity in-line skate wheels for easy roll and long lasting service Tote-a-long clip with adjustable webbing strap to hook additional bags Additional zippered back pocket for last minute items TSA approved locks Lifetime gurantee