Features: Can be used as a feeding bottle or water bottle. Sided with a hook for hanging, convenient to use. Suitabel for outdoor activity, travel, hiking and so on. Top with a dustproof cover, it is healthy to drink without trouble. Lightweight and foldable design, easy to carry, do no occupy space. High transparency, non-toxic, leakproof and heat resistance, be safe to be used in dishwasher or microwave oven.