Best Monet Bath Mat picked by ladushki.com. Flannel fabric,single-sided printing,non-slip Decor Rug Doormat. Perfect Size: Extra long and large, size is at 31.5×15.75 inches. It covers most of the bath tub. It’s also heavier and thicker than other mats. Great for homes, hotels, hospitals, assisted living facilities, gyms, saunas, spas and showers.