Sizes vary by design, but in these listings heights are about 6.0–7.0 inches, widths about 3.0–6.5 inches, and depths about 2–5 inches.

They are typically sold as a set of two decorative bookends.

They complement modern or classic decor and are also visually suitable for children's rooms and nurseries.

Descriptions note handcrafted or expertly carved marble for a sturdy, heavy-duty feel, and wood construction using pine and MDF; reviews also mention a strong, sturdy build.

Marble rainbow bookends are described as having smooth arcs and a polished finish that highlights the stone’s natural veining.