Neck Cool Ring Sanrio Characters Kuromi - Purple My Melody - Pink Hangyodon - Light Blue New 3-piece set Not sold separately 【Cooling Function】 Uses PCM material that naturally cools at temperatures below 28°C, making it ideal for hot seasons. Provides comfort during outdoor activities and sports. - Product Name: Neck Cooling - Size: S - Temperature Range: Below 28°C - Material: PCM - Characters: Sanrio Characters Stored at home. Please consider this before purchasing ☆ Neck Cooler Cool Ring Cool Neck Ring Cooling Heatstroke Prevention Heatstroke Prevention