NEVER LEAVE HOME UNPREPARED WITHOUT THE  SOLAR BACKPACK.  INDEED MULTIFUNCTIONAL Designed for any outdoor enthusiast, the SOLAR BACKPACK high efficiency matte black ETFE solar panel and external battery pack keeps your cell phones and other USB devices charged wherever the day takes you. Features: - Exclusive solar controller 2.0 which contains extra thin and lightest 4000mAh Li-polymer battery. - Waterproof, UV-resistant ETFE solar panel lasts longer than similar solar panels on the market.  - 20 L of storage with dedicated smart pocket for charging small electronics on-the-go. - High density molded back section with breathable mesh shoulder harness for ultimate comfort. - 8+ compartments for computer, documents and essential gear.  - Perfect for backpacking, trekking, mountaineering, fishing or biking.  Specifications • Capacity: 0.706 cu ft/20L • Dimensions: 17.7x11.4x1.57inches/45x29x4cm • Shoulder Straps: Adjust from 20.67" to 37.4"/52.5 to 95 cm • Maximum Laptop Pocket Dimensions: 7.7x11.4x1.57inches/45x29x4cm • Weight: 0.88kg • Fabric: Water Resistant Polyester/Nylon What You Get 1 x Solar Backpack 1 x Antitheft lock; 1 x free powerbank; 1x usb cable; 

Warm Reminder: 1. To protect the control system, please do avoid water immersion，please clean it with an wet towel 2. Solar backpack designed for both emergencies and normal circumstances; has a power bank for backup which ensures continous power supply for effective charging of all your devices, also comes with a USB cable to suit various charging ports

3. it is available for all gender

Warranty:  12-month product guarantee from  MOUNTAIN ODD ONE