About this item MEASUREMENT : 4′ x 10′ Non-waterproof, made of permeable HDPE woven fabric, STOP BARKING : The fabric is not 100% blackout but it is enough for dogs since they gerneral don’t have good vision. BREATHABLE : Permeable fabric allows air and water to go through, significently reduces temperature, blocks up to 90% of the sun light and UV at the meantime, INSTALLATION : Grommets are placed evenly along the edges for easy installation with zip ties. CUSTOMIZATION : Special sizes? No worry we do make custom sizes, made in the US.