The MoSweet elegant shower door comes with a smooth single sliding door and quality wheels that passed 100,000 times testing in the laboratory. The Elegant comes with all mounting hardware, making installation simple and easy. The enclosure comes with special technology to prevent the glass from hitting the wall, and it has top rail supports that ensure wall anchoring and reinforce wall stability. A set of sophisticated 2-wheel roller systems allows easy and smooth sliding operation, MoSweet exclusive Crystal X Tech water, and stain-resistant glass coating provide superior protection from buildup and easy maintenance, and semi-Frameless design and door sliding keep the bathroom open and spacious