The essential cylinder planters feature a modern twist with a timeless look. The curved sides are a great way to distract from flat walls or long hallways. These modish planters look great in a group, by themselves or can make a perfect addition to your entryway. With sleek, clean lines, these essential cylinders are tailored to perfection and will not disappoint! Material: Fibrestone (which is a combination of fibreglass and crushed stone mixed with a composite). It is frost resistant, extremely durable and lightweight. Suitable for indoor/outdoor use. Internal Dimensions & Opening Diameter: 14(D) x 14(W) x 15.5(H) inchesExternal Dimensions: 16(D) x 16(W) x 16(H) inches