Four pack shop floor mat 22 x 22 in economy pack covers 16 sq-ft of floor space. Thick 3/8 in mats provide extra cushioning to avoid foot and back fatigue. Four interlocking square mats for use on any shape of floor. Special rubber construction resists dirt for easy cleaning. Non-slip coating and water-resistant for safer working conditions. Each square covers nearly 2 sq-ft. Great for garages, workshops, kitchens and restaurants, washroom, bathroom, trade show, anyplace with hard concrete floors.