So the mat should be kind of not soggy I'll see if I can find the exact one I use. It doesn't make a mess -- please remind me if I can't get back to you today my hands are in so much pain I'm having trouble typing on here

Here's a small one but they come in bigger sizes. You can hang to dry and even wash them in the washing machine

ALL PRIDE Bath Pillow for Tub, Non Slip, Breathable Soft, Comfortable Head Neck Support, Machine Washable, 2 Suction Cups(Blue) https://www.amazon.com/dp/B08F2CPZFL/ref=cm_sw_r_apan_i_XPDWPRPPYB9NZPGQKVPR