Our Enclosure Pole Foam Sleeves are made of mildew-resistant, high-density foam. These sleeves are 44 inches long, 1/2 inch thick, with an inside diameter of 1.5 inches. Please measure your enclosure poles carefully to ensure that you order the correct number of sleeves. These foam sleeves are easily cut to fit any length of enclosure support pole making them useful for many different enclosure brands. Colors: Blue, Black & Yellow as shown.