Reusable Heavy Duty Cold Pack Round 10 Black Urethane Insulin Syringes Length 16 to 18 Style:1 Pair (Left & Right) Length 16 to 18 inches Compare to active ingredient in Robitussin® Mucus + Chest – a registered trademark of Haleon Provides up to 30 minutes of cold therapy * Clay inside urethane outside *Institutional grade packs are made of durable heavy duty urethane exterior which can be chilled to a lower temperature than other packs and a bentonite clay interior * Chilled pack should be wrapped in towel before applying to treatment area * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm *