47¼" shower base Precision engineered with a super slim 1¼" threshold, this award-winning ultra-low shower receptor is made from eco-friendly blu∙stone™ material - crafted primarily from quartzite. Visually luminous and soft - almost warm - to the touch, this seamless one-piece shower base is exceptionally durable, making it suitable for both residential and commercial applications. Designed for drain versatility, alcove or freestanding installation and flexible surface-mount or recessed installation, this shower base is ideal for new construction and remodels.