5mm Purple Diamond Stone Wall Panels & Ceiling Panels AKA Purple Sparkle. Tongue and Grooved . Ideal for your bath/shower walls going over tiles and on your ceiling 100% waterproof : Amazon.co.uk:
5mm Black Sparkle Wall Panel & Ceiling Panel HI-Gloss .Tongue and Grooved Ideal for Your Bath/Shower Walls Going Over Tiles and on Your Ceiling 100% Waterproof : Amazon.co.uk: DIY & Tools