Waterproof backpack of 30 cm long x 20 cm wide x 50 cm high. Double middle layer in main pocket fits your 15.6-inch laptop and 10.5-inch iPad. Multiple compartments and multiple pockets keep your belongings organized and you can easily find what you need.

[Ergonomics] Comfortable airflow design with thick but soft ventilated padding, provides maximum back support. Breathable and adjustable shoulder straps to relieve shoulder stress, even if worn in summer, do not sweat. Foam padded top handle for secure and comfortable hold.