[Updated Fixable Windproof Design]:The rustproof stainless steel grommets on both top and bottom make the curtain weight and fixed enough to avoid blowing and flapping, so that provides you with much privacy as well as protects you from sun and rain. [Waterproof Fabrics]:These blackout curtains are made from water-repellant fabric.Each curtain has eight stainless steel grommets, which won't rust in humid outdoor environments. The heavy duty polyester curtains are suitable for indoor and outdoor spaces. The fabric is thick enough to provide ample shade. [Block 85-95% sunlight,privacy protect]:These durable polyester curtains are made with triple weave technology,which blocks 85 to 96 percent of sunlight and heat.The fabric also blocks wind and wicks away water, so the curtains highly effective in multiple weather conditions. The material is soft enough to use indoors or in a sunroom. [Perfect for Indoor/Outdoor]:These thermal insulated curtains are the perfect solution to add privacy and protect your deck,patio,porch,or outdoor space from the elements.Perfect for pergolas and Gazebos,solid Indoor/Outdoor curtain is equipped with rust-proof stainless steel grommets allowing easy hanging on a standard curtain rod up to 1.6 inch in diameter. [Machine Washable&Easy Care]:Machine washable in gentle cycle and cold water, do not bleach. Warm iron and tumble dry at low temperatures.