Floor Mat, Dim A (1): 37.5625″, Dim B (2): 13.3125″, Dim C (3): 38.375″, Dim D (4): 13.3125″, Notes 2: Benefits of PVC foam material:, Notes 3: Low moisture absorption, Notes 4: Easily cleaned and fabricated, Notes 5: Sunlight, weather and chemical resistant, Notes 6: Excellent thermal insulation, sound & vibration absorption, Notes: Made with 3/8″ thick, strong & durable PVC foam material, Thickness: .375″