Permeable: Permeable woven fabric, allows water and air to go through, no matter if it is a rainy or windy day. Shade: Blocks up to 95 percent harmful UV and sunlight, significantly reduces temperature by at least 10 - 15 degrees, saving you on A or C costs. Material: Fabric is made of woven HDPE ( High Density Polyethylene), corner D rings are made of stainless steel, which are attached to the heavy duty white webbing surrounding the perimeter. Styling: Shade sails dont just provide shade, they are also a versatile decorative piece that can integrate with your existing design and elevate your outdoor space. Uses: With the proper hardware kits, sun shade sails can be attached to almost any structure such as poles, trees, wall, roof, etc. Great for the patio, carport, pergola, tent, pool, yard, even window. Installation instructions Cool Summer sun shade sail is very easy to be installed. According to different actual conditions, there are various installation options. The easiest way is to connect stainless steel ring on each edge and fixed objects like trees, patio columns, wood posts or stainless steel posts(embedded in concrete footings) etc. by using free giving durable ropes. Shape:Triangle Material: 100 percent polyester fabric Size: 12 x 21 x 5cm or 9.8ft x 9.8ft x 9.8ft(3m x 3m x 3m ) 15 x 23 x 5cm or 11.5ft x 11.5ft x 11.5ft(3.5m x 3.5m x 3.5m ) 15 x 30 x 5cm or 13ft x 13ft x 13ft(4m x 4m x 4m ) Color: Army green, orange, pink, sky blue, dark purple, dark green Accessories: free giving durable rope x 3 (triangle) Package Include: 1 x Triangle Sun Shade Sail 3 x Nylon Rope(Black) 3 x Carabiner 1 x Storage Bag