Sliding Door Enclosure Corner Entry Doors Quadrant Enclosure Diamond Enclosure Walk in Enclosure Bi-Fold Enclosure Pivot Enclosure Shower Accessories Towel Rail. Quadrant Rectangle Square. Featuring a single sliding door with 6mm toughened safety glass and quick release wheels for easy access, helping keep your bathroom safe from splashes.Quick and easy to assemble, shower door can be fitted to open on the left or right to suit your space.