Sauna bucket in ecological bamboo RENTO. Bamboo is a rapidly growing and naturally renewable grass. Light and strong, bamboo supports sustainable development and is an ecological alternative to hardwoods. A well-kept sauna pail preserves its charm for times to come. After the sauna bath, empty the pail of water. Do not leave the bamboo pail to dry in a hot and moist sauna. Clean the surfaces if necessary with mild, soapy water, using a soft sponge or brush. The volume of the bucket is 5l.