Waterproof Business Laptop Backpack with Usb Port - Multifunctional - Dark Gray - 15 Inch Jumping-Kangaroo-with-Wobbling-Joey * Solar energy rejected: 60%

* Solar energy rejected: 60%

Aluminium case for durability and excellent heat dissipation

There are a few locking pieces

5" IDE SATA HDD Anti-Static hdd storage Box

Waterproof Business Laptop Backpack with Usb Port - Multifunctional - Dark Gray - 15 Inch Jumping-Kangaroo-with-Wobbling-Joey * Solar energy rejected: 60%Features: Made of PVC encrypted polyester fabric, waterproof and wear resistant The trolley case fixing strap design on the back makes traveling more convenient Back air circulation and diversion design, comfortable and breathable Side USB interface design makes charging more convenient Adjustable shoulder strap, easier to carry Metal double zipper design, smooth and durable Widened handle design, comfortable and not tight Diamond facet structure