- 100% Natural Coil Spring: Hand-woven, healthy and environmentally friendly. Breathable hollow structure with uniform thickness, not easy to deform. Privacy protection, vacuum and moisture absorption, air purification, and room-temperature humidification, with a long service life. Suitable for different interior styles. - Multifunctional: Sun protection with about 70% light filtration, thermal insulation, and waterproof properties. Environmentally friendly and UV resistant. Provides privacy and half protection, while protecting furniture and floors. Breathable, windproof, anti-corrosion, moisture-proof, dustproof, insulated, and resistant to UV rays. Adds hue, filters light, and creates a natural ambience. - Wide range of applications: Suitable for balconies, patios, private gatherings, gardens, porches, awnings, pergolas, swimming areas, courtyards, kitchens, restaurants, hotels, offices, tea houses, flower houses, carports, art galleries, and spaces described as reed curtains that offer natural filtering. The soft light creates a cool and comfortable space for you. - Easy Installation: Suitable for indoor and outdoor installation. Outdoor installation: W shutters = W window + 4 inches; H shutters = H window + 4 inches (10 cm). Internal installation: W shutters = W window - 1 cm (0.4 inches); H shutters = H window.