Adopts a V-shaped gel that fits perfectly around the neck and cools widely. Sherbet gel wont click when frozen, so you can use it with a soft touch. Cold for about 60 minutes. (Duration time may vary depending on the outside temperature and usage environment. Comes with a dedicated cover that can be washed with pile fabric that feels good on the skin. Can be re-used. For housework in hot weather. For working under the blazing sun.