Neck Cooler - Alpine green
€37.50
Innovative cooling technology.
Freezes at 18°C thanks to PCM, the liquid inside the Sumoring.
Stays cool for up to 90 minutes, depending on the environment.
Place the ring in the refrigerator, freezer, under cold water or near your air-conditioner.
Once hardened, place the Sumoring around your neck and enjoy a refreshing feeling for up to 90 minutes.
The ring is reusable.
The Sumoring contains PCM, a product that crystallizes below 18°C and can be reactivated over and over again.
