We use a canvas painter's tarp from Lowe's. It was $5. I planned to install grommets (also available at Lowe's) but saw some plastic tarp clips that are more versitile. The clips were $1.50 each and I got six of them. The tarp is 5'x6' which sounds small but does a good job. I also bought a 8' x 10' painters tarp that I have not taken out of the package. The clips are easy to use and can be repositioned or moved to another tarp. I put the tarp over the boom (half on each side) to give the cockpit general shading. The clips are attached to the lifelines or stanchions or grab rails with bungee cords. This size tarp allows you to see while you are sailing or speaking to passersby at the dock. If the sun is coming more from one side you can attach one edge of the tarp to the boom and the other to the lifelines, stanchions, etc. There are a lot of possibilities and I only spent @ $20 including new bungees. When I attach the tarp to the boom (around the sail) I only use the bungees that have a ball on one end so it loops around itself. I don't like hooks near the sail. The painter's tarps are an off-white color which I think looks better than the blue tarps and they breathe so you do not get as hot. The fabric is also quiet in the breeze unlike the blue tarps. I may use the larger tarp to shade the entire cabin and most of the cockpit when I am anchored out to reduce the temperature down below.