Coldstar Hot/Cold Cryotherapy Gel Pack - Insulated One Side Case 80304 by ColdStar International GROUP: Orthopedic & Physical Therapy:Hot/Cold Therapy:Packs Item Description: Gel Pack, Hot/ Cold, Throat/ Perineal, Insulated One Side, 4 �" x 10 �", 24/Case Packaging Desc: Hot/Cold Cryotherapy Throat4.5X10.5 Gel Pack 24/Case Country of Origin: US Harmonized Tariff Code: 3926.9 Product Description: Insulated on one side. Gives flexibility for hot or cold therapy at desired temperature by placing in microwave or freezer. Maintains even temperature over the entire pack. Remains flexible after freezing. Latex free.