Hot Girl Pearls are the perfect solution for cooling off and still look fabulous The pearls will freeze after 4 hours in the freezer and will provide up To 30 minutes of cooling relief. Can be refrozen time and time again. The pearls will keep frozen for hours in the pouch. Necklace is 18 1/2 “ with a magnetic closure. Each pearl is about the size of a quarter. Wear frozen or not. These pearls are a beautiful ivory in color