RV Shower Pans are offered in fiberglass, and plastic. Fiberglass is more durable than plastic. Actual dimensions may vary up to 1/8 of an inch. Fiberglass RV shower Pans come standard in colonial white, and plastic RV Shower pans come standard in brite white. If you don't find what you are looking for or have a custom application please call 1 800-216-2786.