Product Description

ID:**5X**0X**5MM OD:**0X**5X**0MM They are good mate for out doorpicnic, trave, campling, storage medicine, fishing Usage:cooling:put the cooler & warmer in refrigerator horizontally for *0 hours , and then put it into ***** cooler & warmer should be put above the food , fruit and drinks, and then covered tightly.Under the normal circumstances, temperature would keep under *5 degrees for *0 hours. warming:put the cooler & warmer in the short wave , heating for **0 seconds until temperature reaching ****0 degrees, and then put it into attemperator