【Durable Steel Material】Our greenhouse hoop grow tunnel is made of durable steel material with plastic coating, which has highly resistant, rust-proof and oxidation resistant. It helps extend the growing season of your plants and long lasting use. 【Plant Grow Support Hoop】Our greenhouse hoop can be used in conjunction with shade nets, insulation films to protect plants from frost, birds or strong sunlight. It helps rapid germination and growth of seedlings, suitable for plant covering, frost protection and greenhouse. 【What You Get】The package includes 12 curved tubes, 12 straight hoops, 32 connecting pipes and 24 clips. It can be used for building garden planting tunnels, small greenhouses, mini grow tents, wire mesh and garden arches. 【Easy to Install】You can install them in few minutes. Just use the connectors to connect them and the straight tube heads point to easily insert them into the soil. The 18 clips can help secure the greenhouse covering. You can adjust the width and height and DIY your own grow tunnel. 【Widely Uses】This greenhouse support hoop frame kit can be used with row cover and protect your plants. It can also be used as plant supports for climbing plants, suitable for patio, vegetable garden and raised garden bed.