Swanstone SS-3448-125 Solid Surface Center Drain Shower Base, 48-in L X 34-in H X 5.5-in H, Cloud White Reinforced solid surface means color and texture run all the way through and cannot wear away Single threshold shower floor Pre-installed Fit-Flo drain requires less time for floor installation Will not mold or mildew, no grout to clean Pebbled, slip-resistant surface