Wheeled 17" ; Deluxe Industrial Grade Clear Vinyl See-Through Backpack. Material: 0.5mm Super Thick Clear PVC Backpack, Dimension: 17" x13.5" x7", Long 3-Section Top Quality handle for shoulder straps while rolling, Mesh organizer in front pocket, Mesh pockets on both sides for water bottle and other stuff, Cross stitched and Heavily Reinforced Shoulder straps for extra durability, Completely see through. Super Heavy Duty 0.5mm Industrial Quality Clear PVC, at least 50% thicker than most other clear backpacks, 38" Long, 3-Section Top Quality handle. Place to store shoulder straps while rolling, Mesh organizer in front pocket & mesh pockets on both sides, Heavily Reinforced shoulder straps for extra durability, Super Spacious and plenty of room for books and other stuffs