Add substantial storage to your existing shower without a full remodel using the Questech Bath Accessories Geo Retrofit 10" Matte Cast Stone Corner Shelf. Specifically designed for retrofit installation, this 10-inch shelf can be mounted onto finished tile surfaces, making it an ideal DIY upgrade. The matte cast stone finish provides a contemporary, high-end look that is both understated and durable. This oversized shelf is perfect for holding large bottles and heavy bath accessories, providing a sturdy, reliable storage solution that looks like it was there from the beginning.