Heavy-duty waterproof tarpaulin: The transparent tarpaulin made of high-quality PE material, mechanical strength, softness and toughness, and good electrical insulation. It is not easily corroded by acids and alkalis, and is relatively heat-resistant, durable, tear-resistant, waterproof, mildew-resistant, cold-resistant and static aging-resistant. Thickness: 0.3 mm, weight: 400 g/m².㎡ METAL BUTTONHOLE: round metal buttonhole, not easy to rust, so that the force point is not easy to tear; The 50cm buttonhole increases the force point of the tarpaulin, the force is more uniform, and it is more resistant to pulling it has the functions of rainproof, windproof, preserving heat and moisturizing. It is widely used in vegetable and various greenhouses, windows for heat insulation, juicy rain, decorative dust, heat insulation and hydration of animals and plants. Keep warm and moisturize, avoid heavy rain, reduce the spread of pests, etc. WIDE APPLICATION: Widely used for humidifying outdoor