Model Size: 32-in D x 60-in W x 2-3/4-in H Base Type: Single Threshold (3-Wall Alcove) Drain Location: Left (See technical drawing for exact location); Color: Black Installation: Direct to studs (Unfinished walls: Prior to backerboard, cement board, etc.) SlipGrip floor surface offers slip-resistance for safety; Premium high gloss non-porous acrylic for easy maintenance and lasting beauty Durable construction eliminates any flexing of the base and allows for quick installation Drain opening fits standard 2-in compression fitted drains (Drain not included)