quality material The sunshade sail is made of density polyethylene (HDPE), offering tearproof, weatherproof, and stainproof performance. It is not recommended for use in heavy rain. Antiultraviolet protection Provides antiultraviolet protection to help reduce harmful sun exposure. Longterm use helps shield you and your family from strong solar radiation. Durable construction Edges are tightly sewn along every side with six rows of stitching, reducing the risk of threads loosening. Aluminum buttonholes (grommets) are strong and durable for reliable mounting. Easy to install Can be fixed to walls, fences, pillars, or even trees. Suitable for use in courtyards, pool areas, gardens, children's play areas, and parking lots. Use scenarios Courtyard or patio: create a shaded seating area to enjoy outdoors with reduced sun exposure. Poolside or garden: provide a comfortable shaded zone for lounging and relaxation. Play areas or parking: offer UV protection and a cool space for kids' activities or vehicle parking. Note: Not recommended for use in heavy rain.