Cane frames the answer to the sagging growbagr with the plants roots more deeply and evenly distributed watering and feeding is more thorough and less wasteful place the canes or spirals in the centre and tomatoes and other climbers are perfectly supported to grow straight and strong and produce the heaviest yieldsplease not canes amp growbag are not includedr a one piece construction for ease of use and added stability 3 rings to hold canes stable made in uk made from metal and