Marine 31 Gel Coat Wash & Wax with Carnauba Marine 31 Gel Coat Wash & Wax with Carnauba is a high-sudsing, biodegradable shampoo that gently removes dirt, grime and soiling on your boat while leaving a protective layer of real carnauba wax. Formulated to be tough on grime and safe for the environment, Marine 31 Gel Coat Wash & Wax with Carnauba gently cleans all gel coat surfaces while imparting a high-gloss, slick carnauba finish. Marine 31 Gel Coat Wash & Wax with Carnauba cleans, shines and protects your boat in one simple step, enabling you to spend more time out on the open water and less time performing laborious cleaning tasks. Marine 31 Gel Coat Wash & Wax with Carnauba is harbor safe & eco-friendly. 32 oz. Made in USA