White Disposable Tacky Mat, 36" x 18 in, 4 PK/ WIDTH: 18.000 INCHES NOMINAL THICKNESS: 0.125 INCHES NOMINAL LENGTH: 36.000 INCHES NOMINAL END ITEM IDENTIFICATION: LOW PROFILE CARPET, TILE, CONCRETE, 1 YEAR WARRANTY, SLIP RESISTANCE, CRUSH RESISTANCE USAGE DESIGN: CLEAN ROOM-CONTAMINATION CONTROL SPECIAL FEATURES: MAT SURFACE CONDITION - TACKY, CONTROL DIRT AND DUST, 30 LAYERS OF PULL-IT OFF LAMINATED TOUGH FILM, ECONOMICAL DIRT CONTROL COLOR: WHITE SHAPE: RECTANGULAR