Metolius Magnum Crash Pad Burly new fabrics for maximum durability and new cross-clipper-logo rug for cleaning shoes Massive 4 x 6' (1.2 x 1.8 m) tri-fold design and increased (4" / 100 mm) foam New sandwich foam design for maximum Impact Absorption: (1" / 25 mm) closed-cell top layer, (2.5" / 60 mm) open-cell center, (0.5" / 15 mm) closed-cell base layer Collapses effortlessly for storage and transport Angle cut hinges eliminate gutter found in other designs