Arch-shaped vertical garden rail, can be inserted into the ground and holds up to 8 plants. Made from mild steel bent into an arch shape and treated for outdoor use. Can be used in conjunction with 8 x 500ml or 300ml Rapid Grow Pots, and both their respective moisture retaining cups. Made to make setup easy and hassle free. Perfect for most flowers, vegetables, herbs and decorative plants . Rapid grow pots can hold plants 40-70% bigger per volume then conventional pots allowing for a wide range of plant options.