Mobility for the comfort-minded professional, this laptop backpack has an adjustable lumbar support panel that reduces fatigue by shifting weight onto hips. Padded, contoured shoulder straps. Handle doubles as strap to hang case from wheeled bag (not included). Expandable bottle holster and headphone port for MP3 player. For Device Type: Notebook; Material(s): 1,680-Denier Ballistic Nylon; Carrying Method: Hand Strap;Hang Strap;Shoulder Strap.