CHIMAERA 10x10 Ft Waterproof 2-tier Gazebo Canopy Top Replacement Fit for 10 ft. x 10 ft. dual-tier gazebo frames Base Tier Dimension: 130" x 130 " Base Tier Upper-opening Dimension: 35-1/2" x 35-1/2 " Top Tier Dimension: 53-1/2 x 53-1/2 " Waterproof with PVC coated polyester