Amazon has the Lenovo 15.6" Backpack (GX41K08217 for $9.99 with free shipping on $35+ or with Prime. List price: $18. Features made of durable yet lightweight materials that can handle daily wear and tear, measures 3.7 x 11.5 x 17 inches. Perfect for professionals, students, and travelers.

Has excellent Amazon Reviews.

Amazon has the angel wish Sling Crossbody Bag w/ Water Bottle Pocket (black) for $7.91 with free shipping for Prime members or on $35+. Has good Amazon Reviews.

Amazon has the Lenovo 15.6" Backpack for $9.99 with free shipping for Prime members or on $35+. Has excellent Amazon Reviews.