High-strength Tempered Glass: Tempered glass, long time to withstand high pressure, not broken, not deformed. desk The chair mat for hardwood is anti-scratch, wear-resistant, non-cracking, non-discoloration, better floor protectors Protect Floor Carpet: The glass office chair mats blend in with any office style or home style. It works well to enhance the layering of a space while protecting the carpet to keep it clean or preventing scratches on the hardwood floor Rounded Corners Design: The four corners of the office chair mat are rounded design, polished edges, to avoid scratching and will not damage the carpet and floor, rounded lines are smooth, elegant and beautiful Thin and Sturdy: The transparent under desk mat for rolling chair is only 5 mm thick, unnoticeable, but strong enough to withstand daily use, which can withstand 1200lb of pressure. No more tripping over thick, uneven mats Sturdy Packaging: We have many years of experience in packaging fragile products, un