The Cook N Home Anti-Fatigue Comfort Mat, 39 x 20", plain, Black is made of 3/4 inch thick foam that is extra soft with a firm supportive base. The Mat reduces fatigue and stress in the kitchen and other rooms. Relieves foot, knee, and back pain. Has a 20-Degree beveled edge low-profile design to help prevent tripping. The non-slip back helps keep the Mat in place and does not Curl. High-quality materials with no chemical smell and environment-safe. Constructed of high-density polyurethane that is durable and flame retardant. Stain-resistant, wipe with damp cloth or Vacuum to clean.