Product Description

To use: ***** metal disc back and forth until crystals forms. 2.Knead pack to ***** temperature is possible to reach about *0 degree (depends on the physical environment).If the heat pack desired to prolong the heating duration, it is better to cover it up with a thin towel. To prepare for next use: 1.Put the harddened heat pack into boiling ***** boiling for approximately 5 minutes or until the crystals are completely liquefied. 2.When the pack cools down, it can be used again. Warning:do not heat directly in microwave. Item No.: SY***8 Material:PVC Size:**5MM***3MM Print:1C for one side Packing:each in PP bag with white box, *0pcs/inner, *0pcs/outer Meas:*2**7**6CM G.W:about *1.5KG