Product name:Hat ice packProduct size: 50*2.5cm/19.6*0.9inProduct color: As shown in the figureProduct material:PCM+TPUproduct features:1. Relieve heat from the head: Made of the latest PCM and TPU, it is safe, environmentally friendly and odorless. The material will transform between liquid and solid, thereby absorbing heat and taking away the heat from the head. You can also put the product in the refrigerator for better results. It can be used to cool down goods, which is very practical and safe. It can be used by adults and children, without any harm to the body. The cool mud will turn white after freezing. Visually gives people a cool feeling2. Can be matched with any hat: When used with a hat, it will not highlight the appearance of the hat after wearing it, and you will not feel uncomfortable even after wearing it. It can be used with a hat windproof rope, and it will not fall off when running or jumping.3. Leakproof and easy to clean: The surface of the product will not leak, and wringing it out will not damage the product. It is also waterproof and will not absorb sweat or dirt. Therefore, if you sweat or the surface is dirty, just wipe it with a wet wipe. In addition, it is only half of its original size after folding, so it can be stored in every corner without taking up too much space4. Widely used and can be used in various situations) It can be used for mountaineering, sports, outdoor activities, agriculture, flowers, factories, fishing, shopping malls, etc. It is very suitable for those who need to stand for a long time or need to stand in high temperatures. It is also very suitable for cooling the body in case of heat stroke and fever in high temperatures.Precautions:1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images.2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only.Shipment includes:1 pc Hat ice pack