Feel energized and free with the 3L Bladder Bag and Hands Free Pipe! This 18 x 7 in (48 x 18cm) bag easily fits into even the most tightly-packed backpacks, while its 40in (100cm) pipe ensures effortless hydration and allows you to stay active without interruption. Crafted from reliable, corrosion-resistant material, this bag is dependable and long-lasting.