Pro Ice - Ice Insert Set for PI400 Multipurpose Cold Therapy Wrap Pro Ice Pro Ice Insert Sets for Cold Therapy Wraps Provides pain relief to just about any part of the body. But in certain cases, more icing relief is needed. Pro Ices cold pack maintains a consistent temperature for an hour. This cold therapy product promotes the optimal icing solution: ice for 20 minutes, remove for 20 minutes and ice again for 20 minutes more.But for some dramatic cases, such as with an injury or post surgery pain relief, more icing is needed. An additional ice insert (PI401) can double the icing time of t