10'X18' EXTRA Heavy Duty 12 mil (White) Tarp 3 Ply Coated Reinforced Canopy 6 oz 3 Layer (Includes Tarps Tools and Toys Maintenance Manual) 18" Grommet Spacing 6 oz, 12 mil UV Treated & Tear Resistant 3 Ply Poly Waterproof Material Includes Tarps Tools and Toys Maintenance Manual