COLLAPSIBLE FLASK: Only 33g (1.16oz) Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty | | EASY POUR DRINK: With wide neck design, its convenient to pour water into the soft flask water bottle. | | HYDRATION VEST COMPATIBLE: Fits easily in most hydration vests, belts or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing | | APPLICATION: The handheld water bottle is design for outdoor sports and daily life use. This sports gel flask is perfect for hydration, marathon, jogging, running, hiking, cycling, climbing, backpacking, traveling, etc | | APPLICATION: The handheld water bottle is design for outdoor sports and daily life use. This sports gel flask is perfect for hydration, marathon, jogging, running, hiking, cycling, climbing, backpacking, traveling, etc | |