但如果没有，那就考虑买个小保冷袋。

But if not, consider investing in a little chiller bag.

youdao

这种冷袋保存安全、致冷剂无毒对环境无污染。

Said cold bag is safe for preservation and its refrigerant is non-toxic, pollution less to environment.

youdao

此外，这种冷袋成本低，可反复使用也可作为一次性用品使用。

Besides, this cold bag is low in cost, can be repeatedly used and can be used as expendable appliance.

youdao