【2025 Latest Improved Model! Long-lasting Cooling Sensation & Comfortable Fit】 The highly talked-about "Cooling Neck Ring" is here as the 2025 latest version! Using "PCM (Phase Change Material)," a temperature-regulating material also used in spacesuits, it naturally freezes below 28°C. It can be easily cooled in the refrigerator, water, or at room temperature, and simply placing it on your neck provides a refreshing coolness! No charging required, it's an eco-friendly item that can be used repeatedly. 【Cooling Efficiency UP with a Wider Cooling Area!】 The cooling area is about 30% larger than previous products! It wraps around your neck over a wide area, significantly lowering your perceived body temperature. Cooling duration is up to approximately 6 hours! Safe for daytime outings. 【Great for These Situations】 ✔ Heatstroke prevention during commuting, going to school, and in the office ✔ Outdoor events such as sports観戦, BBQs, outdoor activities, and festivals ✔ Running, walking, cycling, and golf ✔ Recommended for cooling down after bathing or before bed ✔ Heatstroke prevention while working from home, doing housework, or childcare! 【We're Particular About the Materials!】 Soft and durable TPU material is used on the outside, and PCM is used on the inside. High-quality and gentle on the skin, it's designed to minimize pressure on the neck even during long periods of wear. The ergonomic U-shape fits the neck and prevents slipping, providing a stress-free wearing experience. 【Specifications】 ・Product Name: Cooling Neck Ring (Cool Ring) ・Color: Black ・Materials: TPU (Outer) / PCM (Inner) ・Size: 17 x 4.3 x 3cm (※Neck circumference approximately 36-42cm) ・Weight: Approximately 276g ・Melting Point: 28°C ・Cooling Time Guide: 　└Refrigerator: 15-20 minutes 　└Cold Water: 2-3 hours 　└Room Temperature (below 28°C): Cooling lasts for 4-6 hours 【Precautions】 ・Do not poke with sharp objects or bend strongly. ・When freezing in the freezer, be careful not to overdo the time. ・After use, wipe off moisture with a soft cloth and store cleanly. ・Although it is a new, unused product, there is a possibility that a coating is applied to the surface during the manufacturing process, and you may feel a slight oily film when touched. If you are concerned, it can be resolved by gently washing with a mild detergent, so please be aware of this beforehand.