Shower in nature with the 20L Solar-Power Heating Shower Bags Choose from blue, black or green Simply face the transparent sides to the sun for maximum illumination Leave for around 3 hours and then enjoy a nice warm shower Tip: use a teaspoon of soda water and soak in warm water to clean Capacity: 20L Please see Full Details for complete specifications Save 63% on the 20L Solar-Power Heating Shower Bags for 14.99 pounds