Crafted from compression-molded anr material, a robust blend of resin, fiberglass, and stone filler that excels in strength and lightweight properties, surpassing both artificial stone and acrylic Double the material thickness ensures no additional layers of reinforcement are necessary Robust and solid surface construction using anr material that resists cracking, discoloration, and delamination ANR material boasts superior tensile strength, ensuring a sturdy surface that remains stable underfoot Offers three times the compressive strength, supporting substantial weight without any sagging The perfect shower space starts with this stylish, sturdy base from ANZZI. We crafted it from premium ANR material, a super-durable blend of resin, fiberglass and stone filler that’s stronger and lighter than both artificial stone and acrylic. The specially textured, slip-resistant floor surface gives you safe and secure footing so you can shower with confidence.