ES Robbins EverLife Lipped Foldable Chair Mat for Flat to Low Pile Carpet, 36 by 48-Inch, Clear Folding mat is easy to carry and move GREENGUARD Certified for low chemical emissions to UL 2818 Multi-purpose mat for use under rolling chairs, plants, crafts and more Protects flat to low pile carpet up to 1/4" thick including padding Manufacturer's Lifetime "No Crack Mat" Limited Warranty