Lenovo offers its Lenovo B8050 15.6" Laptop Backpack in Black, model no. 0C55491, for $69.99. Coupon code "USP1FE445491" cuts it to $48.99. With free shipping, that's $21 off list and the lowest total price we could find for this backpack. Sales tax is added where applicable. This water-proof backpack features three storage compartments, ergonomic shoulder straps, a hidden security pocket, and more. Coupon expires February 25.