2019-6-25 · Instant Cold Pack: Cold Packs by Dynarex provides immediate first aid therapy for contusions, abrasions, sprains and other minor injuries. This disposable cold packs are flexible and comply with the contours of the body. Single squeeze activates the pack Instant Hot Pack Hot Packs by Dynarex offer soothing warmth to injured areas. These hot packs are made with flexible material …