Our shade sail makes a restful, shady spot on your patio, backyard, playground, park, deck, or pool. Feature: Perfect sun shade sail for gardens, patios, swimming pools, bbq areas, etc. An ideal choice to protect you from the sun when enjoying time outdoors, such as a camping picnic. 100% polyester fabric with PU coated(160 gsm). UPF40+, blocks over 98% of harmful UV rays. Colorfastness grade 4 in European Standard. Grade 304 stainless steel D rings at each corner. Each shade sail comes with 2m nylon rope per corner, i.e. 3 ropes for a triangle, 4 ropes for a square, and a rectangle. Machine washable at 30 degrees Celsius. Easy to install and takedown. Please install at an angle to ensure rainwater runs off. Note: All dimensions are measured manually with deviation （ranged）at 1-2cm, hope you can understand.