Aqua Lung Traveler 1600 Large Roller Gear Bag 840D & 600D nylon with foam paddingLightweight corrugated board constructionLightweight aluminum extendable handleSmooth rolling ball-bearing wheelsPadded top and side carry handlesMolded plastic bottom handleInternal fin pocketsExternal document pocket and accessory pocketProtective plastic rails on back of bagExternal ID pocketCustom molded zipper pullsTwo internal zippered mesh compartments&lt;