Lenovo offers its Lenovo IdeaPad B450 15" Notebook Backpack in Black, model no. 55Y2094, for $39. Coupon code "USP1AG12094" cuts it to $11.99. With free shipping, that's tied with our May mention and the lowest total price we could find today by $40. Sales tax is added where applicable. This backpack accommodates laptops with up to 15.4" screens and features a large front zippered pocket, mesh side pockets, padded shoulder straps, and more. Deal ends August 6.