All commercial and residential signs for the swimming pool area are made of durable all-weather materials. Our signs are printed with fade-resistant UV ink to withstand the outdoor elements. Pre-punched holes are provided for easy installation. Choose from the many outdoor signs Poolmaster has to offer. Since 1958, Poolmaster has been a leading manufacturer of aftermarket pool and spa products with an unwavering commitment to quality, service and reliability. Poolmaster offers products across 6 different product lines- Backyard and Decor, Inflatables, Floats, Maintenance, Swim and Dive, and Toys and Games. Poolmaster - We Make Water Fun. Material: Plastic.