These heavy-duty 170 x 170 tarps are tear-resistant as well so you can lock them down tight and know your stuff is secure. Big equipment needs big coverage. That's where these 170 x 170 tarps come in. Short of some sort of standing shelter, a 170 x 170 tarp will protect your equipment from UV rays, water, wind, and debris. These heavy-duty 170 x 170 tarps are tear-resistant as well so you can lock them down tight and know your stuff is secure.