I bought a white IKEA one some time ago. During my most recent IKEA visit I bought a second identical one in grey. Products - IKEA
I don’t have IKEA locally so would try these if the ones I had were ruined.
https://www.amazon.com/Luxury-Hotel-Spa-Tub-Shower-Bath-Floor/dp/B009SZ2P7E/ref=sr_1_3?