Portable: Small and lightweight enough for you to carry anywhere. Ideal: Perfect for camping trips or travelling emergencies - simply hang the bag on a tree or wall and enjoy your shower! Material: Made from environmentally friendly and leak-proof materials. Shower Bag: Get a 20L outdoor shower water bag. Heat: The smart black PVC material can absorb the solar energy to heat up the water inside the bag | 20L Outdoor Shower Water Bag - Black | Wowcher