safe and comfortable underfoot shower mat with custom graphic Custom Shower Floor Design Bath and Shower, Home July 7, 2015 Cork Sheets, Custom Logos/Designs, No Grooves, Shower/Tub, White Caulk Permalink This client desired a customized pattern in the floor of the shower, to replace some decorative tile that had been there (but was much too slippery). The result is quite fabulous, and much, much safer.