The mark consists of word 'terracool' appears all lowercase in Calibri font and is a combination of 'terra' (earthen reference) and 'cool' (a direct reference to the product represented, which functions as a heat exchange medium); 'terra' element is fill-colored in green color with coordinating blue color as outline; 'cool' element is fill-colored in same blue color that outlines 'terra' element and is outlined in same green color that represents fill color for 'terra' element; 'RS' element (stands for Renewable Sustainable, in reference to the desirable qualities of the base heat-exchange ingredient 1,3 Propanediol derived from a corn sugar fermentation process) directly follows the 'terracool' element, and appears in all capital letters in Copperplate Gothic Bold, bold, italic, and is fill-colored in yellow with black beveled edge that is shadowed down in a lower-right fashion, having lower extremeties of 'R' element beginning at a height equal to the middle (halfway) point of the 'S' element, which follows the 'R' element.