Feature Fatigue Relief Construction Specially designed sponge cushioned mat with an anti-slip base gives the luxurious feeling of being on CLOUD 9 ! Use Relieves discomfort from standing|Available in many sizes and custom lengths|Tapered edges for safety|Sponge cut out for chair base to rest on|Non-slip backing prevents the mat from moving. Mat Size 3' x 4' x 5/8" 3' x 5' x 5/8" 3' x 4' 6" x 5/8" 3' x 6' x 5/8" 3' x 5' 4" x 5/8" Thickness 5/8 in Width 3 ft Custom 2',3',4' priced per square foot Length 0 to 30 ft Custom Color    Sparkling dynamic solid colors; Black (on top showing thickness), Beige, Brown, Gray, and Hunter Green (as the background).