Size : 15.5(L)*18.5CM (H)
Waterproof and Insulated
Usage: Suitable for sports, outdoor, indoor when cooling is needed
How to use : Hang it on the neck, can maintain a cool feeling of 28 degrees for about 2 hours, cool but do not feel ice,
and the surface of the product will not condense to keep dry. It can be recycled, and when the cool ring is in water,
it can be placed in the refrigerator or air conditioner for about 10 minutes to restore the ice crystal state, and then it
can be used for about 2 hours until it becomes watery. Compare