There is a plastic liner absolutely fitted to the inside on the tub, with spruce thermowood masking the complete exterior with the tub. This liner comes pre set up with a cushty bench for sitting down. At the time my human body turned accustomed to cold immersion, I started leaping http://www.garagecommerce.com/classifieds/14844/renu-therapy/health-and-beauty/ca/santa-ana/92705