Backpack with Irrigation System and Water Bottle 2L Water Storage Bag for Climbing Racing in Green Description: [Quality and Waterproof]: Made of wear-resistant, splash-proof nylon material, this backpack is designed to withstand multiple weather conditions, allowing you to travel freely without fear of rain and wind. [Large Capacity]: The backpack has a large main compartment and other pockets for storing various items. It has a water tank with a capacity of 2L. [With 2L Bladder]: The backpack features a quick-drinking bottle that allows you to stay hydrated at any time, making it suitable for a variety of outdoor activities. [Comfortable and Breathable]: The comfortable, breathable back carrying system features a breathable mesh fabric at the back that prevents shortness of breath during exercise and keeps you constantly cool. [Reflective design for safety]: Designed with reflective strips on the front and back of the bag, ensuring safety during night travel or running. Specification: Material: Nylon Size Chart: 30 cm x 5 cm x 38 cm/11,81 inch x 1,97 inch x 14,96 inch The package includes: 1 backpack 1 water bladder