Product size about : 21*18*6cm/8.2*7*2.3'' Product color: As shown in the figure Product material:pvc product features: Just open the inlet on the back of the product and put in ice and water! A new touch neck cooler. It can be used by everyone from children to adults. It can be used in many occasions such as sports, outdoor, eye protection during outdoor work, and indoor heatstroke prevention! The U-shaped shape can be used on shoulders, knees, thighs, etc. in addition to the neck. It can also be used to prevent cold in winter by putting in hot water (below 60°C). 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 Cold water bag