Equinox Int via Amazon has Royal Anti-Fatigue Comfort Mat – 20 in x 39 in x 3/4 in – Ergonomic Multi Surface, Non-Slip – Waterproof All-Purpose Luxurious Comfort – For Kitchen, Bathroom or Workstations – Black for $19.84 w/ coupon code 7P9BDXQP. Shipping is free.