Features:
Material made from BPA free plastic, Eco-friendly, with good quality.
Can be folded into small shape, portable and easy to take.
Perfect for outdoor sports, like hiking, camping, fishing and cycling etc.
Screw cap, with handle, you can hang on backpack.
This item is not suitable for hot water, but you can use as ice pack and put it into refrigerator.
Forcibly shake may be let it slight leakage.