Constructed of single filled cotton duck Breathable, allows moisture to evaporate and helps prevent rot and rust Process treated to ensure water resistance Locked stitched hems with rustproof grommets approximately 2 ft apart Reinforced corners Environmentally friendly, biodegradable product Use to cover and protect machinery, farm equipment, building materials, lumber, steel and tools Not recommended for highway use It is a sewn cotton that will fray and rip if not tied down properly Tan color