one custard paint (2.2kg) of dried periwinkles. we offer you these delicious dried periwinkles also known as isam, piom-piom which bring life and taste to your traditional soups and pottages. let’s not forget about the health benefits of this small and potent seafood! it improves brain health, increase blood circulation, and prevent early aging of the brain cells! dry periwinkles is an amazing seafood but in dry form.