Coldstar Junior Versatile Gel Pack Case 70210 by ColdStar International GROUP: Orthopedic & Physical Therapy:Hot/Cold Therapy:Packs Item Description: Gel Pack, Hot/ Cold, Junior, 4 �" x 7", Reusable, 48/Case Packaging Desc: Hot/Cold Junior Gel Pack4.5X7 48/Case Country of Origin: US Harmonized Tariff Code: Product Description: For therapeutic relief of muscle aches or pains. Maintains an even temperature over the entire pack. Leak-proof and contains no liquids or dyes. Biodegradable and contains only non-toxic ingredients. Reusable. Versatile freezer or microwave. Remains soft and pliable. Designed for 25 seconds in microwave