100% Natural Coil Spring Hand-woven, healthy and environmentally friendly; breathable hollow structure with uniform thickness that resists deformation. Provides vision and data protection, vacuum and moisture absorption, air purification, and room-temperature humidification, with a long service life. Suitable for different interior styles. Multifunctional Offers sun protection and 70% light filtration, along with thermal insulation and waterproofing. Environmentally friendly and UV resistant, with windproof, anti-corrosion, moisture-proof to waterproof, and dustproof properties. Insulated and resistant to UV rays, it provides hue and filtration while adding a natural ambience. Supports privacy and half protection for furniture and flooring, while remaining breathable. Wide range of applications Suitable for balconies, patios, porches, pergolas, swimming areas, gardens, courtyards, kitchens, restaurants, hotels, offices, tea houses, flower houses, carports, art galleries, and other spaces. Reed curtains offer natural filtering and soft light that creates a cool and comfortable space. Easy Installation Suitable for indoor and outdoor installation. Outdoor installation: width shutters equals window width plus 4 inches; height shutters equals window height plus 4 inches (10 cm). Internal installation: width shutters equals window width minus 1 cm (0.4 inches); height shutters equals window height. Use scenarios - Outdoor patio or cafe terrace shading: provides sun protection and natural ambience while protecting furniture from UV and moisture. - Balcony or porch privacy: reduces visibility from outside, filters light, and preserves a comfortable, airy feel. - Indoor decorative filter and ambience: soft natural light enhances living rooms, tea houses, or galleries while protecting furnishings.