Extra Innovative Cooling Packs - for longer coverage

< Original ICP: Innovative Cooling Pack > STRONGEST cooling power Surrounding temperature should be at least 90F but works best if above 95F (35C) Lab Results: after 1 hour at 90F (32C), surface temperature was still 41F (5C) Cooling power lasts up to 3-4 hours with surface temperature below 59F (15C) Please make sure the blue gel faces toward body Design patented in USA for:XL size of "(NEW) Cooling Comfort Vest for Dogs"Cooling Comfort VestCooling Vest Max ProCooling Comfort Back Support <each size of ICP for Dog Cooling Vest> Our ICP is safe for dogs, too. For more details, please refer to the section "Original ICP" for human use. Effective Duration (depends on surrounding temperature)S: Approx. 60-90 minutes M: Approx. 75-100 minutesL: Approx. 90-120 minutesXL: Approx. 180-240 minutes (same as "Original ICP")   All ICPs should be frozen solid hard before using. If you would like to know more about technology behind development of wonderful cooling packs, click her