JanSport Main Campus Backpack. The Main Campus backpack was made to be put into high gear. Featuring a padded laptop sleeve, a large main compartment (plus a secondary compartment with an organizer panel), a side water bottle pocket, and a front organizer compartment. The Main Campus was made for heavy duty hauling. Product Features:•Two main compartments for optimal space and organization•One side mesh bottle pocket stretches to fit large bottles•Dedicated 15 inch padded laptop compartment with zip closure•Front pocket with full organization panel and key clip•Ergonomic S-curve shoulder straps for comfort and air mesh backing for breathability•Key clip keeps your valuables securely attached•Side compression straps buckle to cinch down large loads•Leather lashing square detail•Webbing grab handle on top•Small top stash pocket•Cord zipper pulls•Fully padded back panel for long wear comfort•100% recycled undyed linerContent & Dimensions:•100% Recycled 600 Denier Polyester Main Body Fabric•Dimensions: 17" x 12.5" x 7". Capacity: 32 Liters.