Product Description MATERIAL: The sun shade SAI-L is made of 185 gsm UV protected high density polyethylene (100%HDPE) shade fabric with strong stitched seam. With Durable Stainless Steel D-rings in each corner make the sun sails easily attached to any sturdy connection point to provide sun protection and personal design where you need it. UV BLOCKAGE: Protects from harmful UV rays and direct sunlight exposure. Blocks harmful rays of the sun without trapping hot air beneath. Fabric has high density breathable blockage, while effectively reducing heat, blocking up to 95% of UV rays, and protecting skin. BREATHABLE MATERIAL DESIGN: Allows cooli-ng breezes and light to pass through for better airy and comfortable space, allows rains to pass through, so there's no pooling water( So it is not waterproof) Measurement: Measured from corner to corner, the edges are relatively NEA-T to help the shade SA-IL fit tightly and neatly and prevent the shade SA-IL from sagging in the middle for best appearance and performance. APPLICATION: Widely used for a patio, Law-n, garden, pool, bbq areas, pond, Dec-k, courtyard, backyard, dooryard, PAR-K, carport, pergola, sandbox, DRIVEWA-Y or other outdoor occasions.