Samuel ALEXANDER Pack of 3 Urban Metal Herbaceous Garden Plant Support Ring Medium 30cm x 50cm; A Durable Construction: Made from strong metal for a reliable stability and long lasting support for climbing plants., Weatherproof Coating: Coated in a dark green, weatherproof plastic that protects against rust and water., Ideal for Supporting Plants and Shrubs: Perfect for supporting most herbaceous plants and shrubs., Functional and Attractive: Provides an attractive and functional solution to blend seamlessly into any garden or outdoor space., With a 30cm diameter and a height of 50cm, this support ring is perfect for small growing plants.