Select Rugged Rubber Backstop 4x6 Weighing 7 lbs., this sleek 1/16" black rubber with rugged nylon woven inner core makes this backstop net saver as durable as it gets. Lengthens the life of your batting cage and it perfect for both residential and commercial applications. Hang loose behind the batter to absorb the impact of the hardest hit balls (do not stretch your backstop tight) Heavy duty grommets for hanging Backstop provides efficient thud sound when impacted by powerful pitches