INTCO Reuseable Hot/Cold Gel Pack are packable and easily provide warmth or cooling to those who need it. In cold weather, the heating pack is activated by shaking and can help alleviate the effects of the cold. Cooling packs give comfort to sore joints and muscles. Reusable Comes in bulk packaging Easy to sanitize and clean after use Maintains temperature Easy to pack and carry Size: 100mm x 150mm Weight: 110g