They do not make them that big as they would be really hard to remove and clean every day. This one they make snaps together so you could purchase several of these to get the length you desire: https://www.etundra.com/janitorial-supplies/floor-care/mats/cactus-mat-co-point-2523-c-3-ft-by-3-ft-by-one-half-in-black-floor-mat/
These mats are made for kitchen use. They are not UV stable and will get brittle and crack after being in the sun for an extended period of time. The manufacture recommended the 2557 Poly-Lok tiles. They are UV stable and will work out in the sun and around water. We do not offer them on our site so please call our customer service team to get them ordered. 800-447-4941.