https://www.homedepot.com/p/Rubber-Cal-Shark-Tooth-3-4-in-T-x-3-ft-W-x-4-ft-L-Black-Heavy-Duty-Rubber-Flooring-Mat-03-109-W-34/304106362?irgwc=1&cm_mmc=afl-ir-1 Rubber-Cal Shark Tooth 3/4" Thick Heavy Duty Black Rubber Flooring Mat (48" x 36")...