BLOOMCABIN [/about-us.html] HIGH TUNNEL GREENHOUSE - A BUDGET-FRIENDLY, DURABLE PLANT PROTECTION FOR YEAR-ROUND GARDENING. The Omega-shaped high tunnel greenhouse offers ROBUST ZINC‑COATED STEEL and polycarbonate construction, designed to withstand various weather conditions while ENSURING OPTIMAL GROWING CONDITIONS for your plants. Whether you're a seasoned gardener or a beginner, this greenhouse provides ample space to cultivate your crops all year long. This kind of greenhouse is available in 5 SIZES ranging from 129 to 388 sq ft. The High Tunnel Greenhouse comes standard with a single entrance door on one end. WHY CHOOSE THE BLOOMCABIN HIGH TUNNEL GREENHOUSE?