The Clever Pots Plant Supports for 40/50cm Round Pots are ideal to give vertically growing plants such as tomatoes, peppers or flowering plants like sweat peas and clematis the help they need. This pack of four plants supports attaches to 40cm and 50cm Clever Pots Round Pots to create a cane structure for vertical growing. They are hard-wearing plastic plant supports, made to last season after season and recyclable at the end of their life. Dimensions: D 10 x W 17.5 x H 4.7cm. Material: PP - Polypropylene. Directions to use: Simply clip the supports to the rim of the pot in the located positions, add canes as required, twisting the screw on the support to hold it in place. Use the Velcro strap provided to secure the canes together at the top.