GROWHILL (Men's, Women's) Backpack Rucksack Hiking Daylite 30L GTB-BP1001 Built-in Rain Cover Water Repellent Capacity: 30 liters Size: Height approx. 55cm x Width approx. 34cm x Thickness approx. 20cm Weight: Approx. 780g (catalog value) / Approx. 1100g (actual measurement) Material: 420D Lightweight Water-Repellent Ripstop Nylon (Outer Fabric), 600D Water-Repellent Nylon (Bottom) Features: Back Mesh Panel: Provides comfortable wear and high breathability. Stowable Waterproof Rain Cover: Stored in the bottom of the main body, etc., to cope with sudden rain. Back Access Function: A convenient function that allows you to easily take out luggage from inside the bag. Other: Equipped with trekking pole holders, large mesh pockets that can hold PET bottles, and water-stop zipper pockets.