Supported basin. Sink is glazed on all 4 sides. 4 Enamelled sides, without tap hole, without overflowADA Compliant: Yes Assembly Required: No Basin Shape: Square Collection: Teorema Construction Material: Vitreous China Depth: 15-1 5 Finish: White Length: 15-1 5 Style: Contemporary Modern Type: Above Counter Weight: 22.05 Width: 15-1 5