The Voltaire Single-Threshold Center-Hand Drain Shower base is a stylish addition to any bathroom setting. Its traditional low threshold provides easy access to the shower. The acrylic and fiberglass technology reinforces a durable and safe shower base. This shower base is offered in a variety of colors, giving you the versatility needed to enhance any modern bathroom. Swiss Madison SM-SB510 Features: Covered under Swiss Madison's 1-year limited warranty and 1-year limited commercial warranty Constructed from acrylic Shower base reinforced with acrylic A slip-resistant bottom ensures a safe bathing experience and integrated tile flange make installation and waterproofing a breeze Coordinates with products from the Voltaire line Note: Shower bases are commonly referred to as shower trays, shower receptors, shower floors, or shower pans Swiss Madison SM-SB510 Specifications: Height: 5-1/2" (top to bottom) Length: 48" (left to right) Width: 36" (back to front) Number of Tile Flanges: 3 flanges Installation Type: Three Wall Alcove Drain Placement: Center Drain Size: 3-3/8" (diameter of drain outlet)