Lenovo offers its Lenovo IdeaPad B5650-WW 15" Notebook Backpack in Black, model no. 57Y6457, for $39.99. Coupon code "USP1F26457" cuts it to $16. With free shipping, that's tied with our July mention and the lowest total price we could find by $6. Sales tax is added where applicable. It can accommodate laptops with up to 15" screens. Other features include a zippered main compartment, mesh side pockets, padded shoulder straps, ergonomic handle, and more.