12 x 7 x 7 ft Walk-in Tunnel Greenhouse, Portable Plant Hot House with Galvanized Steel Hoops, 1 Top Beams, 2 Diagonal Poles, 1 Zippered Door & 6 Roll-up Windows, GreenVEVOR 12 x 7 x 7 ft Walk in Tunnel Greenhouse, Portable Plant HotHouse with Galvanized Steel Hoops, 1 Top Beams, 2 Diagonal Poles, 1Zippered Door & 6 Roll up Windows, Green Large Space Galvanized Hoops Reinforced Structure Upgraded PE Cover Effortless Installation Versatile Usage Mesh Windows: 6,Diagonal Poles: 2,Size: 11. 48 x 6. 56 x 6. 56 ft 3. 5 x 2 x 2 m,Color: Green,Model: VV TG 1577GREEN,Cover Material: 140 g cm PE,Frame Material: Galvanized