Made of high impact plastic with a UV stabilizer for durability and endurance. The high impact plastic allows it to keep its memory. Therefore, you can bend it and it will not lose its original shape. The hinges allow you to open it and wrap it around the plants, no matter what size your plants are. Its modular, you can add to it to make it larger in diameter. Its versatile, it can be used to stake flowers and trees as well as vegetables. 36” x 18”