IDEATECH Instant Cooling Towels, 40″x12″ Chilly Towels -UPF 50+ Cooling Ice Towels for Sports, Workout, Fitness, Gym, Yoga, Pilates, Travel, Camping

IDEATECH Instant Cooling Towels, 2 Pack-4Pack-6Pack 40"x12" Chilly Towels -UPF 50+ Cooling Ice Towels for Sports, Workout, Fitness, Gym, Yoga, Pilates, Travel, Camping What is the principle of the cooling towels? 1.The super absorbent fiber weave...