Auto Crystallization PCM Neck Cooler

This wearable neck cooler adopts upgraded auto crystallization PCM phase change material. It provides long-lasting constant temperature cooling effect. With anti-dew surface design, it keeps your clothes dry. The flexible ergonomic U-shape perfectly fits your neck. Just place it in the refrigerator to regenerate cooling capacity after use. Available in multiple pastel colors. Great for cycling, running, gardening, construction work and other summer indoor & outdoor activities.