Four garden trellises assembly length is 80 "and can be extended indefinitely for multiple sets of connections. The material is galvanized round pipe, the surface treatment is powder coated, double rust prevention. Suitable for a variety of vine plants, providing support for their growth and allowing them to be extended in space. You can use the pea trellis as a single trellis, or used to form a sturdy screen or corner with more of it and provide support for climbing plants while adding height and variety to your lovely garden.