AntiGravity Gear Quicksilver Storm Tarp Ultralight 16oz. (without stakes) NEW Never Used. This tarp has never been used. 11′ X 8.5. 4? X 4? X 7.25? 30D – 1.1 oz. 6 Points – Day Visible / Night Reflective. Mitten hooks on doors which allow you to close to decrease wind through tarp or fasten them to the top of the inside roof to increase ventilation.