?This super lightweight 5L cycling backpack with 2L water bag is specially designed for bicycle lovers and walkers. With ergonomic design£¬ this backpack give you more comfortable feeling. And made of high-quality and safe material£¬ it is durable for long-time use. It will surely contribute to your fantastic outdoor experience. <br><br><strong>Features:</strong> <br>Super lightweight 5L backpack£¬ constructed by water-resistant Nylon fabric. <br>Comes with a 2L water bag£¬ constructed by non-toxic PEVA. <br>Suitable for outdoor activities like cycling£¬ hiking£¬ etc. <br><br><strong>Specifications:</strong> <br>Color: Blue / Green (optional) <br>Item Type: Backpack <br>Main Material: Nylon + PEVA <br>Capacity: 5L backpack + 2L water bag <br>Backpack: Approx. 33 * 47cm / 13 * 18.5in <br>Weight: 310g / 10.9oz <br><br><strong>Package List:</strong> <br>1 * 5L Cycling Backpack <br>1 * 2L Water Bag <br><br><strong>Notes:</strong> <br>1. Please allow 1-2cm (0.4-0.8") differences due to manual measurement£¬ thanks. <br>2. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.