Use this floating sailboat thermometer to get an accurate temperature of your swimming pool or spa. The thermometer has an easy to read dual scale and a shatterproof case. The thermometer also comes equipped with a ready-to-hang nylon cord. So don't ever worry about jumping into a cold pool again, just use this thermometer to check the temperature before getting in. features sailboat topper swimming pool and spa thermometer soft top design easy to read dual scale features a magna-view window accurately reads air or water temperature shatter resistant case comes ready-to-hang on a white nylon cord dimensions: 9.5"h x 3.5"w x 1.5"d material(s): plastic