This Nano Ice Cooling Necklace will keep you cool for hours! It's made of fast drying Jersey T-shirt material once it's tied you can stretch it over your head. It's perfect when you can't escape the heat this summer. Once you are done, just place it back into the freezer and use again! Be aware that this Nano Ice Cooling Necklace is heavier than jewelry as it is a utility item that keeps you cool. I embedded my cooling technology inside a beautiful necklace. This necklace does not need to be wet, as your neck is actively cooled from the frozen spheres inside after you take it out of the freezer. Please be aware that the Nano Ice Cooling Necklace is much bigger and heavier than a typical necklace as it contains 1.5 inch balls with liquid inside. The Necklace weighs 1LB. This Body Cooling Necklace is a must-have accessory for people who struggle with Heat Issues