1. Easy to use Put the 28-degree cooling neck ring into ice water or wait until it reaches the freezing point (0°-5°) and take it out, then you can wear it directly, hang it around your neck, and enjoy hours of coolness to welcome the hot summer. 2. High quality This cooling neck ring is made of high-quality TPU material and can freeze below 28 degrees. The special design is not easy to fall off, and it is soft and comfortable to wear. 3. Universal size This wearable cooling neck ring is unisex and small and portable. 4. Wide range of uses The reusable cooler adopts physical cooling and is reusable. It is suitable for hot summer such as outdoor, camping, running, hiking, etc. Open a new summer experience and keep cool for 2-5 hours for a long time. 5. Perfect gift This ring-shaped neck ring is a great gift for family, colleagues or friends. Keep cool in hot weather. Material: Size: As shown Quantity: 1pc Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.