These borders are incredibly thick and durable and are supplied with spikes that go through the centre of the border through existing holes. These borders are flexible to allow them to shape and bend around the curves of your garden, however please note that the thickness will not allow you to create a deep curve (our Ultra Curve range has the most flexibility if you are looking to edge a particularly bendy border) Recycled rubber border Eco-friendly Durable Won't fade, rot or crack Easy to install Child & pet safe Maintenance free Mower & strimmer safe Mould resistant