The product is a set of three empty SodaStream pink CO2 gas cylinders, each weighing 425g. These aluminium cylinders are designed for use with SodaStream machines, providing the necessary CO2 gas power source for creating homemade sodas. Made in the United Kingdom, these silver cylinders are compact in size, with dimensions of 45.7 cm in height and 8 cm in depth, making them easy to store and transport. Perfect for those looking to continue using their SodaStream machine with fresh CO2 gas cylinders.