Size: Approx. 15.5 x 18.5 x 2.8 cm, inner circumference: Approx. 36 cm
●Size (neck circumference)/32-40cm
●Material: TPU (thermoplastic polyurethane, PCM (octadecane)
●Country of manufacture: Korea - Keeps it cool at 28°C for 2 hours even in the scorching heat outdoors!
・Uses a special material called "PCM": It absorbs and releases heat by repeatedly freezing and melting (solid⇔liquid) depending on the temperature environment. It turns into a cool solid at temperatures below 28℃, so no freezing or refrigeration is required!
- A reflective type that has been treated to reflect light on the surface of a conventional neck ring, making it shine brightly. Perfect for walking at night.
