Innovative PCM Technology: Utilizes space-suit inspired PCM material that transitions from solid to liquid, absorbing heat for efficient cooling. The material naturally crystallizes below 28 Degrees Celsius, offering a refreshing sensation without the need for charging.Ice-Like Cooling Sensation: Experience a chilling effect on your skin with the PCM cold-sensing liquid, providing a cooling experience by absorbing body heat. The cooling tube offers a 360-degree surround cooling experience, ensuring a large area coverage for enhanced comfort.Sustainable Cooling Solution: Enjoy prolonged cooling benefits as the PCM content liquefies to cool the body and can be refrozen in temperatures below 28 Degrees Celsius for continuous use. This sustainable feature allows for repeated cooling cycles without compromising effectiveness.Ergonomic Design for Comfort: Designed with user comfort in mind, this neck cooling tube is lightweight and ergonomic, reducing neck pressure while providing a cool and unrestricted wearing experience. The thoughtful design ensures maximum comfort without any sense of confinement.Versatile Cooling Companion: Ideal for various scenarios, whether you're outdoors, exercising, or simply seeking relief from heat. The neck cooling tube offers a convenient and effective way to stay cool and comfortable in any situation.Introducing the neck cooling tube, a revolutionary cooling accessory that keeps you comfortable in hot weather. This innovative product features a unique technology that naturally crystallizes below 28 Degrees Celsius, providing a cooling sensation without the need for charging. The secret lies in the mysterious ice PCM, inspired by space suit temperature control materials. When worn, the PCM absorbs heat, transitioning from solid to liquid and effectively cooling your body. Experience a 360-degree surround cooling effect with the large area design of the neck cooling tube. The ice compress volume is 30% larger than previous products, ensuring maximum cooling coverage. Despite its powerful cooling capabilities, this accessory is lightweight and comfortable to wear. The ergonomic design minimizes neck pressure, allowing you to enjoy the cooling sensation without any discomfort. Stay cool and refreshed wherever you go with the neck cooling tube.Item Name: Neck Cooling TubeMaterial: TPU,PCMMelting Point: 28 Degrees CelsiusApplication: Cooling, Relieve Dryness And HeatFeatures: Portable, Quick Cooling, Heatstroke PreventionSize Details:L: 17cm/6.69", W: 4.3cm/1.69", H: 3cm/1.18" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Neck Cooling Tube