• Package included: 2pcs soft flask (500ml/16oz)
• Material: made of food grade TPU (thermoplastic polyurethane) material and BPF-free, safe and lightweight, super soft and durable. The soft gel flask is recommended for water between 0-60℃, do not put it in freezer compartment of the refrigerator.
• Foldable running water bottle is easy to carry whenever empty or full. The foldable water bottle can be folded into a compact size, very convenient to put into backpack pocket.
• The soft flask has a durable bite valve with dust cover, when you drink water, just nibble or pinch the bite valve and the water can be easily discharged.
• Wide use: perfect for hydration vest, marathon, jogging, running, hiking, cycling, climbing and any other outdoor activities.