BlueDot Trading Waterproof Rectangle Shade Sail, 13 by 16.5-foot, Green PERFECT FOR: use in gardens, courtyards, and patios to provide shade and enhance privacy & provides great protection for pet areas & parking spaces BLOCKS UV RAYS:Up to 90% of UV rays. Makes Sunny Days more comfortable for people with sensitive skin. HIGH QUALITY: Made from 180g/m2 waterproof polyester fabric. Mildew, tear resistant, color fast to ensure long life. Easy to clean with a hose & water KEEP COOL:Breaths to significantly reduce temperature underneath Shade Sail by up to 30%. Engineered for permanent or temporary use. EASY TO ASSEMBLE:Corners feature sewn in, fitted heavy-duty steel rings for easy connectivity (mounting accessory kit sold Separately)