Material: made of high-quality plastic Great support for beans and plants with a small enough stem to fit the rod into the 1" diameter hole WIDE APPLICATIONS - Great support for various kinds of plants, such as tomatoes, aubergine, watermelon, pepper, chili, flowers, rose bushes, cucumbers, grapes, loofah, pumpkin and other trellis plants to prevent trellis or wire. Function: for flowers and plants, fix the branch of one plant to another plant to grow as one when used with trellis, the integrated locking collar holds twine firmly and does not slip. Helps plants grow upright and healthier, provides a great nursery plant. The quick release design allows the garden plant clips to be easily repositioned/reused. Simply attach to the trellis and does not slip.