Lenovo offers Lenovo B515 15.6" Laptop Backpack for $11.99 (reg $34.99) with free shipping.

Product Description:
Made from high quality water-repellant and tear resistant materials, the Lenovo 15.6" Laptop Everyday Backpack B515 built for the daily grind. It fits up to 15.6" laptops with a main compartment that is spacious enough to carry personal belongings for the gym, a business trip, or everyday life. It also features a quick-access pocket and two-side pockets for additional storage space. 

• High quality, durable and water repellent fabric
• Spacious compartments with well-placed pockets
• Anti-theft compartments to keep valuables safe
• Thick breathable mesh padding for cushioned comfort