This ring is designed to keep in position up to 10 canes between 1cm and 15cm width at the top which is the size of most average diameter canes up to more than 25m high the canes are pushed into the ground and then into the support ring and it all takes a matter of minutes to set up with no tying necessary it is also ideal for growing vegetables in planters and other containersthe bean ring comprises of a green plastic ring with ten plastic clips to grow the plants in a wigwam fashion