Specifications:- Overall Dimension(LxW): 18ft x 18ft (548.6 x 548.6 cm) - D-shape Ring Dimension(LxWxH): 1 1/2andquot x 1 3/8andquot x 3/16andquot (3.8 x 3.5 x 0.4 cm)- Fabric Weight: 185 Gsm- Net Weight: 14.65 Lbs (4.83 kg). Package Contents:- 1x Sun Shade Sail- 4x Ropes-1x Manual. Notice: - Please allow approx. 6"" measuring deviation due to manual measurement and flexibility of fabric. Each side may be 6"" longer than the related product size showed on the listing.