This item can be attached to fences on balconies, etc., to hold planters. You can also attach boards to create a flower stand, and hanging pots or baskets can be hung from the hooks on the ends. Made of stainless steel, it is rust-resistant. Planters up to size 650 can be placed on it. When using boards, the maximum width is 190mm. Each set can hold up to 30kg. Purchased several years ago, the bag is dirty but the item is unopened. Thank you. Shipping packaging uses recycled materials.