Plastic Stickon Pool Markers have a thin profile making them great for renovations. These 4-1/4 by 5-3/4 inch durable plastic pool markers feature a smooth surface and simple installation. Plastic Stickon’s adhere to S.S., vinyl, and fiberglass surfaces. They have 4" numerals and 2" lettering of black on a white surface. Specific message markers are available in 2" letters (MG series); NO DIVING, FEET DEEP, FEET, INCHES DEEP, FOOT DEEP, FOOT, METERS DEEP, or a "no diving graphic" marker. Please specify number/letters needed.