Green 2 Tier Patio Sun Shade 10x10 Ft Garden Canopy Gazebo Replacement Top UV30+ 2-layer protective canopy; 200g/sqm polyester layer + PA coating Zippered ventilated top with mosquito netting between top and lower tier 16 grommets to ensure proper water drainage Reinforced Corners to Stand Years of Use Velcro Attaching Tabs for Conveniently Fixing onto the Frames