This is brand new, never opened....Size: 20(L) X 10(W) 8.5(H) Ft, 4 Removable sidewalls with WindowsDurable Water Proof PolyethyleneHigh Quality, Rust & Corrosion Resistant Powder Coated Steel FrameworkHigh Strength Joint FittingsEasy And Fast To Set Up Suitable For All Kinds Of EventsAll Necessary Hardware Is IncludedGreat For Commercial Use / Parties / Backyard Events, EtcComes With Ropes And Stakes For Added StabilityInstallation Manual IncludedGreat for commercial use / parties / backyard events, etcSidewalls are easily removed for open air exhibits or outdoor events with overhead protection