1. Double Deck Tent provides you double use of the space ... design provides you more space and unique apparence. Additionally, tent accessories glass wall, ABS hard wall, glass door, handrail ... standard of similar products in Europe.7) The optional accessories are wooden floor, glass door, glass wall, glass ... 9) Sizes available (the clear-span width of Double Deck Tent): 10m, 12m, 15m, 16m,18m, 20m, 21m, ...