Hydrapak Flask Cleaning Kit simplifies maintenance for soft flasks, hydration bladders, and bottles used in trail running, hiking, and backpacking. This compact brush-and-stand system tackles residue from gels, electrolytes, and energy drinks with flexible bristles that reach tight corners, ensuring fresh-tasting hydration every time. Key Features Dual-Function Brush: Flexible handle with bristle head scrubs hard-to-reach areas; flips to drying stand preventing mold. Nylon Mesh Storage Bag: Organizes tools compactly; lightweight at 61g (2.2oz) for easy packing. Durable Materials: ABS plastic, 304 stainless steel, and nylon construction withstands rigorous cleaning. Targeted Design: Perfect for flask caps, openings, and crevices where buildup occurs most. Effortless Maintenance: Promotes hygiene without harsh chemicals; ideal for post-race or multi-day trips.