Mainstays White Rubber Non-Slip Bath Mats, 36 in x 18 in (2 Pack) - Walmart.com
24 x 16in ESD Grey Rubber Mat
Mainstays Rubber Bathtub Mat, White, 18 in x 36 in - Walmart.com
Amazon.com: Rubbermaid Commercial Products Bath Tub and Shower Mat, Safti-Grip Non-Slip Bathroom Mat for Shower/Bathtub with Suction Cups, Machine Washable, 28-Inch X 16-Inch, Large, White : Everything Else
Amazon.com: Static Solutions Ultimat ESD Mat, 24" x 36" Mat, Clean Room White : Industrial & Scientific
4'x6'x1/2" Black Rubber Gym Mat by IRON COMPANY | Eco-Friendly, Durable
Rubber Flooring Rolls - Gym Flooring, All Thicknesses, Custom Lengths