... ; 2. Side height: 6.6m; 3. Double Deck Tent is our latest new design with high technical support 1 ... A pretty special and the latest design -- Double Deck Tent. Such a design can provide you more space and ... level, it's the best choice for horse racing, car racing etc.. 3, Its clear span width is 10m, ... . 9, Sizes available (the clear-span widths of Double Deck Tent): 10m, 12m, 15m, 16m,18m, 20m, 21m, 25m ...