Disposing of water soluble shopping bags is easy and eco-friendly. The water soluble bags can be designed to dissolve in hot or cold water, but the water soluble shopping bags are usually designed as hot water soluble bags . So the best way is to dispose them with hot water，they can safely be thrown away after dissolving in hot water. Or due to their biodegradability , they can be sent to your home compost . This way, they will be degradated into CO2 and H2O finally.