What is the hot tub for a spa made of?

Hot tubs for a spa could be made over a variety of things. Wood hot tubs are typically made of redwood or cedar but do not include contoured seating. The smaller hot tubs are made up of vinyl and typically use less energy. The most popular hot tubs are made up of acrylic and are surrounded by wood. These hot tubs can usually seat 10 people and have contoured seating for comfort.