Environmental Protection And Practical Outdoor Mountaineering Riding, Built-In Water Gall Hydration Bag $ 12.94 Product information Fabric: Polyester Capacity: 2.5L Inventory: Yes Whether foreign trade: Yes Applicable age: adult Applicable gender: neutral/male and female Pattern: Other Application scenarios: mountaineering, outdoor, camping, photography, cycling Sports outdoor bag: travel bag Packing list backpack*1