[Universal Fit]: Universal 2-Tier Replacement Canopy Top for 11 1/4 x 11 1/4 ft dual-tier gazebo frames, gives you and your friends a perfect outdoor shade to enjoy this unique leisure time; Classic [UV30+ Protection]: The canopy top is made of 200 g/sqm polyester with PA coating for water resistance, and UV30+ protection to effectively block out harmful sunray and avoid heat buildup under the [Ventilated Top]: Comes with mesh netting between top and lower tier which allows air to pass through freely, along with 4 grommets on each side to allow sufficient airflow for ventilation and water [Simple Installation]: Easy to install by placing corners of bottom tier canopy over the corners of gazebo frame, pulling corners of upper tier canopy and inserting the prongs of upper frame into [Measuring Tips]: Firstly, measure the upper tier hemline of the frame; Secondly, measure the bottom tier hemline and hypotenuse of the frame; Please make sure any of your measurements should not