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