NoTrax Bubble Trax Grande is a unique new high performance anti-fatigue floor mat with a bubble top surface design and is a full 1-inches thick providing extreme ergonomic comfort and durability. Bubble Trax combines a heavy-duty vinyl top surface with a dense sponge backing utilizing the NoTrax exclusive UniFusion bonding process. The resulting finished product is virtually a single piece eliminating any possibility of de-lamination. Bubble Trax uses RedStop non-slip backing, a uniquely engineered technology that eliminates the slipping and sliding of NoTrax floor mats on all types of smooth floor surfaces such as vinyl composite tile, painted or epoxy coated concrete, vinyl sheet flooring, carpet and ceramic tile. Extremely well suited for multi-shift operations in dry work areas where the worker is standing for prolonged periods of time; workstations, assembly lines. Gray color. Measures 5-feet length by 3-feet width by 1-inches thick.