The lightweight EconoMat delivers a great value to anyone looking for an occasional use office chairmat to protect low-pile and commercial carpets up to 1/4" thick. Easy-glide, rolling surface provides smooth, office chair movement. Studded design keeps the chairmat from moving while protecting floors from caster wear, spills and heavy traffic. Solid black chairmat can also cover worn, damaged or stained flooring. Free and Clear, non-orthophthalate, non-cadmium formula promotes a healthy work environment. Like all Deflecto chairmats, this chairmat is Greenguard Gold Certified to ensure low chemical emissions and healthier indoor air.