Water bag, backpack, water tank, grey, 3L, 16x45cm Description: PROMISE Material EVA, tasteless, bladder compliant with all applicable standards. The TPU material is tasteless, it can be easily recycled. most of the backpacks. SPACE SAVING – Compact water bottle design and long service life. The water tank stands upright when it is full, and when it is empty, it decreases to a minimum volume, which saves space. Feel the need to drink or fill. The more, the smaller it is. Light gives a lot. Drink water directly at the valve, without stopping and removing the running backpack. Comfortable outdoor tank, running, hiking, climbing. PRACTICAL WATER BAG Both the top hole and bottom connection have a distinctive design. The opening with locking closure, reinforced, airtight, allows for easy filling, cleaning and water bottle. EASY TO CARRY The water bottle bag is handy enough that you can take it anywhere. It can be compactly placed in a vest. Great replacement reservoir for childrens backpack. The package includes: 1 piece bladder