Eastsport Oversized Expandable Backpack is the ultimate multi-purpose backpack with 6 separate compartments and 3 interior pockets for ultimate organization. Zip-around expandability up to 2.5" makes fitting all your essentials easier, and a 15" laptop/tablet interior secure sleeve protects your devices on the go. The base compartment with removable EasyWash bag lets you separate the smart way. SureSnap Zipper Pulls keep your belongings safe and secure, and HeatEscape Padded Mesh Back Ventilation System ensures your back will be comfortable and cool. The Eastsport Limited Lifetime Guarantee lets you rest safe knowing we stand behind the quality of our products for life.