Gray shelves accented with charcoal columns. Contemporary wave design shelves. Storage for paper, ink cartridges, envelopes & addittional office supplies. Easy to assemble without tools. Rolls easily to point of use with four casters (two locking). Under-Desk DesignTucks under most work surfaces to save valuable floor space. Material(s): Plastic; Overall Material Type: Plastic; Color: White / Charcoal Gray; Color Family: White.