Black Mesh Tarps give you 73% Shade with grommets every 18 Inches they let water and rain through it, which will take a great deal of stress off your shade canopy from the wind and gives you the option of building a Flat Roof Outdoor Canopy. In real hot sunny areas like Arizona build a Garden Canopy and use a mesh tarp to protect your plants from the heat. Other colors available are Green Mesh Tarp and Tan Mesh Tarp or go back to Tarps menu. Finished Size 6 inchs or up to 2% smaller. Average lifespan of 3 to 5 years.