UV STABILIZED HIGH QUALITY MATERIAL – Using only high-quality HDPE ensures the garden shade cloth to last long. Fabric is UV stabilized to withstand fading and retain material strength. Thick stainless steel grommets about every 24'' on all four sides. Durable High-density polyethylene (HDPE) to be weatherproof while maintaining material strength. Protects your plants from being overwhelmed by direct sunlight in hot & sunny environments or storm's destruction. 50% SUN BLOCKAGE – 50% sun blockage rating is the amount for plants,reducing the overall sun rays,heat,and wind to help reduce water usage. Also use for greenhouses,flowers,fruits cover,chicken coop,poultry,barns,kennel,fence,tennis courts,and pond. EASY INSTALLATION – Taped edges and anti-rust stainless steel grommets allows for easy installation with included ropes. Easily clean with a garden hose. DURABLE MATERIAL WITHSTANDS TEARING & FRAYING – Knitted with High-density polyethylene (HDPE) material in a mesh design helps with tearing and fraying. Permeable,allows water and air to pass through,so water does not pool,and hot air does not stay stagnant underneath. HASSLE-SERVICE & RETURNS + CUSTOM SIZES AVAILABLE - Hassle-returns, notch customer service and a 2-year limited replacement under normal use and conditions. We offer custom sizes made to order in California,please contact us for more information..