The edges of the tarpaulin need to be folded, knotted, and fused. It is normal for the actual size to be about 5-10 cm smaller than the screen size. PVC material, weight: 600g/m²; thickness: 0.5 mm; transparency: 99.99%; waterproof index: 100%; hole distance: 50 cm. Metal perforations along the edges. The reinforced edges are durable, and the tarpaulin is quick and easy to fix. Waterproof, weatherproof, UV-resistant, shrink-proof, tear-resistant, durable, and can withstand all weather conditions. The transparent PVC material is shipped folded, so there will be slight creases and wrinkles that will fade during use.