Coldstar Reusable Instant One-Side Insulated Cold Pack Case 20210 by ColdStar International GROUP: Orthopedic & Physical Therapy:Hot/Cold Therapy:Packs Item Description: Cold Pack, Instant, Insulated One Side, 5" x 7", Reusable, 48/Case Packaging Desc: Cold Pak Insulated Resuable5X7 287001 48/Case Country of Origin: US Harmonized Tariff Code: Product Description: Reusable. Use in first aid treatment of bumps & bruises, sprains, factures, minor burns, snake bites, insect bites, minor bleeding, nosebleeds, headaches, toothaches, fever, backaches, sunstroke, dislocations, fatigue, itching, cramping, etc. Squeeze, shake, apply. Instantly cold. Reaches therapeutic controlled temp every time. Safe, non-toxic, no frostbite. Insulated on one side, energy is retained for longer periods of time and is focused on the application site, not on the hand holding the pack.