Details: Maximize your shower space with the Streamline GB-540-164 38 in. x 38 in. Square Acrylic Shower Base in Glossy White With Center Drain. This center drain model features a slip-resistant surface for enhanced safety during use. The modern design seamlessly integrates with various bathroom styles. Crafted from durable acrylic reinforced with fiberglass and resin, it offers long-lasting performance. The low threshold design ensures easy accessibility for all users. With an integrated PVC rectangle support at the bottom and an included ABS drain, this square shower base provides both structural integrity and simple installation, making it the ideal choice for your bathroom upgrade.