Features: Durable Material: Our fiberglass support columns are made of plastic-coated steel column material that is flexible and has more support space durable and stable to protect your plants in foggy and windy weather. Ultra-fine Garden Net: The mesh of our insect net is very dense effectively preventing birds from entering while not blocking rain and air entry you can easily watch the growth of plants and check for harmful insects. Easy Installation: Bend the support post into an arch and drive it into the soil then cover the garden net and secure it to the garden hoop with garden clamps the edges of the garden net secured with nails. Versatile: This kit effectively protects tomatoes cucumbers and other vegetables plants from flies insects birds and other animals. After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: Polyethylene glass fiber Fit: for garden greenhouse includes: 18 * Support 12 * Connecting Column 12 * Floor Nail 12 * Retaining Clamp 1 * Net OR 30 * Support 20 * Connecting Column 20 * Floor Nail 20 * Retaining Clamp 1 * Thin Net OR 18 * Support 12 * Connecting Column 12 * Floor Nail 12 * Retaining Clamp OR 30 * Support 20 * Connecting Column 20 * Floor Nail 20 * Retaining Clamp "