• Integrated 12W, 5V high efficient semi-flexible solar panel and smart charging module for your phone, tablet, portable light, earphone and more, come with 1.8A peak charging current
• IP67 Waterproof durable lamination TPU with air-seal zippers and sturdy sandwich liners, the solar panel is well protected with the PET encapsulation
• Ergonomic 3D molding back padding and 3D shoulder straps give you comfortable touch and perfect weight distribution
• Exclusive units for 17 Inch Laptop plus 10.1 Inch tablet, the main compartment for daily neccessities, two units for smartphone and power bank, one zipp pocket for little things, the quick access side pocket for water bottle and keys

NB: cosmetic design varies slightly every time I order them!