flexible gel ice pack 1. need to precool 2. reusable 3. no side effect 3. OEM is welcome 1. flexible gel ice pack Inner material: high polymeric compounds, mineral elements, water, etc2) Outer bag: PVC composite taffeta, PE composite nylon or polyester, PVC. PE composite nonwoven fabric3) Size: 9x5.5cm-38*25cm4) weight: 50-1500grams5) Non-toxic, insipidity, no side effect6) Repeated and wide use7 ...