Custom Backpacks, Stratta 15" Computer Backpack - Polycanvas & Multi-Pocket, The Stratta 15" Computer Backpack has a pocket for everything. This specialty computer backpack features a large zippered main compartment with a 15" laptop sleeve and a front zippered gusseted pocket for additional storage. The Stratta Computer Backpack includes a lash tab accent for your carabiner and a top carry handle for easy grab and go. Material: 600d Polycanvas Large zippered main compartment with 15" laptop sleeve Front zippered gusseted pocket Lash tab accent for a carabiner Top carry handle ... #SM-5858 $9.91/each.