eBay has the Taikes Water Resistant Laptop Backpack in $19.95 with FREE shipping.
- Fits Laptop Up To 15.6-inches.
- Comes with 2 main compartments, 5 external pockets and 5 organizational compartments.
- Made of tear-resistant and water-resistant polyester fabric.
- Lightweight Desing.
- It has Two S-Curve padded shoulder straps, a padded back panel with breathable mesh.