Features: 1. Material: Made of high quality PVC material . It is tightly sealed, durable, and can be used for a long time without tearing or breaking easily. 2. Safe enjoyable: Enjoy the cooling time of 4-6 hours indoors and 3-5 hours outdoors. The cooling time varies with the external environment. 3. Reusable: If the cooling tubes state turns into liquidation, put it in a refrigerator for 15 minutes, then the neckband will soon be solid, which means you can use it again. 4. Easy to carry: The cooling tube with small size and can be easily put into the bag, so it is easy to carry and use when go out. 5. Wide range of applications: Wear this neck cooling ring while walking your dog, golfing, fishing, playing basketball, cycling, hiking, driving, or even gardening, it will keep you cool and comfortable. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Size: 18*17cm Weight: about 150g includes: 1x Cooling Neckband