Swiss Madison Voltaire 60" x 36" Three-Wall Alcove Black Right-Hand Drain Shower Base With Built-In Integral FlangeThe Voltaire Shower Base is a powerful and stylish statement in any bathroom. Its practical design and low threshold provide easy access to the shower. The durable acrylic and fiberglass reinforcements make the black shower base a robust selection. What's Included Shower Base Not Included Drain Features Low single threshold, for easy access High gloss black acrylic, with fiberglass reinforcement Integral 3 sided flange to prevent water leakage Slip