Crown Comfort King Antifatigue Mat, Zedlan, 24 x 36, Royal Blue (CK0023BL) Made of a highly elastic compound. Three times more resilient than vinyl foam mats. Helps alleviate some of the pressure of standing. 3/8" overall thickness. Made of a highly elastic compound. Three times more resilient than vinyl foam mats. Helps alleviate some of the pressure of standing. 3/8" Overall thickness.