Size: Approx. 16.5 x 19.5 x 4 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!
Introducing the new "Plus" neck ring, which contains 1.5 times more PCM than the previous model! It's wider, less likely to melt, and keeps you cool for 3 hours!
