DuraMax Model 80211 10x8 Stronglasting Polycarbonate Greenhouse 10'x8' Greenhouse includes foundation, 63" double sliding doors, and adjustable rood vent Solid all-weather durable UV-resistant polycarbonate walls with metal reinforced wall columns for superior strength Walls will not break or shatter like glass Walls will not tear like poly sheets Walk in 83" height, walls support shelves