Silver High-quality Galvanized Zinc Iron Greenhouse Hoop. Description:. This greenhouse hoop is made out of high-quality thickened galvanized zinc iron which makes it long-lasting. It is suitable for a wide range of gardening and plant growing. The high-top hoop provides proper air ventilation and optimizes plant growth. The included clips are designed with easy-grip handles that make adjusting and removing easy.. Features. Suitable for a wide range of gardening and plant growing.. Made out of high-quality thickened galvanized zinc iron for long-lasting use.. High-top hoop for providing proper air ventilation and optimizing plant growth.. The included clips are designed with easy-grip handles that make adjusting and removing easy.. Specifications. Hoop Dimensions:. Semi-circular Style/76cm W x 73.5cm H. Semi-circular Style/108cm W x 100cm H. Rectangular Style/116cm W x 80cm H. Tube Diameter: 16mm. Wall Thickness: 0.8mm. Material: Galvanized Zinc. Colour: Silver. Package Included. 1 x Greenhouse Hoop. 5 x Plastic Clips