3 times laminated quality and hot sealed surface is guaranteed to be 100 waterproof extremely light and flexible but completely tear proof and sturdy at the same time doubly welded edges non decomposable and reusable lasts 5 times longer than a normal woven tarpaulin uv stable 100 waterproof non decomposable and weatherproof very flexible will adjust to any shape eyelets every 50 cm along the edge