Tri-Fold Packaging:The tri-fold packaging chair mat is different from roll packaging or folding packaging, and there will be no problem of being unable to restore flatness.But please note: Since the chair mat is designed with a tri-fold packaging, there are 2 laser cutting lines in the middle. High Transparency: Our chair mat is very transparent and can blend seamlessly with any decoration. It makes your floor beautiful and shining. The smooth surface of the chair mat is very easy to clean, and a damp cloth can remove dirt. Ultra-durable Design: The clear office chair floor mat is made of PC hard material with high hardness and toughness, designed to withstand daily wear and tear in the home office or workplace. The 5-pound heavy-duty chair mat is perfect for hard floors.