NewLife? Bio-Foam? Mats are ergonomically engineered from plant-based resources and are designed to encourage proper circulation in your feet and legs. Each mat is manufactured with Cellulon? renewable Bio-Foam?. The result is an anti-fatigue mat that supports not only your feet, legs and back, but the environment as well. NewLife Mats'' one-piece construction includes a durable top-surface, a resilient inner core, a tapered edge, and a non-skid bottom certified as "high traction" by the National Floor Safety Institute. Earth is a dark brown color that is comforting in its simplicity. Place this mat in your library or den for a cozy air or in the kitchen for a feeling of warmth and rich refinement. Brown is often considered the perfect complement to wood flooring of all shades, and the NewLife Earth mat is no exception.