Eureka Rectangular Floor Savers. Keep your Eureka tent working and looking like new with the Eureka Rectangular Floor Savers. When placed beneath your tent, this heavy-duty, polyethylene floor saver protects against damage from rocks and roots while adding another layer of water protection. Or place it inside to keep your tent floor free of dirt, mud and sand. Which ever way you decide to go, the Eureka Rectangular Floor Saver is an essential piece of gear for protecting your Eureka Tent.