The 0.25" thick ExecuMat is engineered for all-day use on any carpet type, making it an excellent choice for big and tall users and heavier office chairs. Easy-glide rolling surface provides smooth chair movement. Studded design keeps the chair mat from moving while protecting carpets from caster wear, spills and heavy traffic. The ExecuMat features a Free and Clear formula for exceptional clarity without harsh chemicals. GREENGUARD Gold Certified for low chemical emissions and healthier indoor air. Mat Type: Chair Mat; Application: High-Pile Carpet Over 1/2" Thick; Width: 46"; Length: 60".