1) Various sizes 5'',6",7", 8",9",10",11" 2) Water proof 3) Medically recommended 4) Cold therapy [General ... PP ring, Al ring,PVC/TPU coating Package OPP bag, with card, or with gift box Logo printingavailabledia of ... and put the ice cubes into the bag. (fill until reaching the 1/2 or 2/3 of total volume ... the lid well avoid the leaking. 3. Put the bag to where need cold therapy. If feeling too cold, ...