Hardcore Performance This Offce chair mat weighs 3.5 lbs. The middle layer forms a strong and durable support. Whether on hardwood floors or low-pile carpet, it has a perfect expression. No Creases Innovative Tri-fold packaging design eliminates the disadvantages of roll packaging or folding packaging. No curling or folding marks, and saves storage space. Decorative Design Most gray or black floor mats make the office space dull and monotonous.