About this item 0.20-Inch Thickened Tempered GlassThis chair mat is made of 0.20-inch thick industrial-grade tempered glass, capable of supporting up to 1200 pounds without bending, cracking, or deforming. It is scratch-resistant and durable, with rounded and polished edges to prevent snagging on carpets and avoid accidental hand injuries during handling. Ultra-High TransparencyThis chair mat features crystal-clear optical transparency, clearly showcasing the natural texture of hardwood floors or carpet patterns without any distortion. Unlike plastic materials that yellow over time, it remains permanently transparent, seamlessly blending into home and office environments. Non-Slip Stability, Smooth Chair MovementEquipped with anti-slip pads, it stays firmly in place even with frequent chair movement, preventing annoying shifting or sliding. Its polished surface ensures smooth and effortless gliding of office chairs, reducing leg fatigue during long working hours. Universal Floor Protec