These Contemporary Garden Planters are manufactured from the latest environmentally friendly material Ôfibre clayÕ, a composite of clay, fibreglass and magnesia which is much stronger conventional terracotta/clay and much cheaper than polyresin or fibreglass. This construction offers superior strength and stability in construction, resulting in a fantastically durable, lightweight product. It also produces a much more natural looking, durable plinth, ideal for outdoor use. Sizes - Small: 30 cm x 30 cm x 31 cm Height ; Medium: 38 cm x 38 cm x 37 cm Height ; Large: 45 cm x 45 cm x 42 cm Height ; Extra Large: 52 cm x 52 cm x 49 cm Height.