Just got a couple of pairs of Tarp Skins off Wilderness Logics and installed them on their OMW tarp and wife's OES 10' x 12' silnylon tarp and they fit perfect. These are well made and fit super nice and work perfectly for both these tarps as well as any other I would think. And super lite weight.

http://wildernesslogics.com/Tarp-Skin-Tarp-skin.htm