Save your floor from the wear-and tear of your office chair. Mammoth"s chair mat guards against repeated wheel and foot traffic. The PVC plastic material is among the best available, providing long-lasting durability without odor. It also prevents fading and discoloration with superior UV protection, while being clear enough to allow your floor"s natural beauty to shine through. Despite their name, Mammoth mats are lightweight and easy to move and clean. The smooth floor side is ideal for hard wood, linoleum, stone, tile, or any other hard surface. The 45" x 53" rectangular shape includes a lip to fit neatly and securely under a desk, and the rough top side provides resistance for ease of movement for rolling office chairs. A small investment will protect your floors from day-to-day wear. Top-of-the-line durability means long-term protection for your floors. This Mammoth chair mat is constructed using 30% renewable energy; it is 100% recyclable and made from up to 25% recycled material. Thanks to extensive R&D, all materials used are free of dangerous and toxic Phthalate plasticizers.