Lenovo offers its Lenovo B8050 15.6" Laptop Backpack in Black, model no. 0C55491, for $69.99. Coupon code "USP1JL435491" cuts it to $27.99. With free shipping, that's tied with our mention from last month and the lowest total price we could find by $9. This waterproof backpack features three storage compartments, ergonomic shoulder straps, and a hidden security pocket. Coupon expires July 24.