Reusable and Eco-Friendly: Made from , TPU materials, this cooling tube is reusable, reducing waste and environmental impact. Just place the ice neck wrap in the refrigerator or freezer for 20-30 minutes, and then enjoy 1.5-3 hours of cooling relief. (Cold duration based on the surrounding environment.) Instant Cooling: The heat-absorbing material absorbs heat quickly, with a faster and longer-lasting cooling effect than water. keeping your neck cool at all times without worrying about sweat soaking your neck. Portable and Convenient: This neck cooler is small, , and easy to carry, making it an ideal cooling companion for any occasion, such as , the office, the gym, or while doing outdoor activities. Reusable: allowing for multiple uses. Simply put the neck tube in the refrigerator or freezer until solidified and enjoy the coolness. (Cold holding time varies depending on the external environment) (Due to different batches, the product appearance and color slightly, which not affect the use) Colour:B:Plain bean green Material:TPU Package Contents: 1 x Neck Cooling Tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.