What are Ground Protection Mats? Also referred to as digging mats, dragline mats, nstruction mats, pipeline mats or excavator mats. Standard sizes: 8″ mats typically me in 4’x16′ and 4’x18′ sizes, however customer lengths as short as 4′ up to 20′ and widths from 2′ up to 8′ can also be produced.