The cooling bandana is a good way to protect your dog from heat stroke. Just soak the bandana in water and the special material inside will do its work. Put it into the water,twist it,then put it into fridge for 10 minutes and take it out.The cooling effect of the bandana for dogs will be more obvious. The cooling neck wrap is made of cold-sensing technology fabric that resists heat and cools down. Safe and non-irritating, keeps your dog cool for hours. Dog cooling collar is designed with blue water ripples,make your pet feel cool.Don't hesitate to indulge your pet with this cool puppy bandana. The dog cooling bandana has 4 sizes to choose, suitable for most dogs. Before purchase please measure your pet's neck girth and refer to our size chart.