3M-MAT,BASIC ENTRY,3X4.5,GY. Nomad Basic Entry Mat, 3 ft x 4.5 ft, Gray. Indoor entrance mat designed for limited use particularly during poor weather conditions like rain or snow. Effectively scrapes dirt and captures moisture for limited periods. The sticky underside will keep this lightweight mat in place. Mat Type: Wiper Mat; Application: Indoor; Material(s): N/A; Style: N/A.