... strength. Working life1-5 years depend on different material Ready-made tarpaulinproduct Features:♦Regular size:2x3m, 3x4m,3x5m ... reinforced,♦Metallic grommets every 3 feet or 1 meter♦Waterproof,dustproof, sun-shade, mildew proof, flame resistant♦High ... :All purpose cover,Camping, outdoor stuff,awning material,tent material,waterproof packing material. Durable 55-300g/sqm waterproof roll tarpaulin