1.It is available for keeping goods fresh during transportation ,sports and medical treatment and so on ,necessary as a good assistant in daily life .
2.please place it in the freezer for twelve hours or more before using .
3.Reusable ,Non-toxic,Non-caustic.
Size: 17x8.8x3.2cm
Weight: 450g
Material: HDPE
Size: 10.9x5.8x1.8cm
Weight: 95g
Material: HDPE