Granite composite is durable and built to withstand day-to-day use.Double bowls of equal size: conveniently use bowls independently for washing, soaking, rinsing, drying and other household tasks.Undermount installation: sink is installed beneath the countertop creating a seamless appearance between the sink and the countertop.Naturally sound-absorbing: sturdy stone-like material absorbs vibration and minimizes noise when sink is in use.Engineered for easy draining: gently sloped bottom allows this sink to drain quickly and easily, preventing standing water in the bottom of the basin.Sound Dampening; Heat Resistant; Stain Resistant; Scratch Resistant; Rust Resistant.Matte black granite undermount double bowl sink is a spacious double bowl sink that is perfectly sized for any kitchen. Made of 80% fine quartz sand and 20% high-grade acrylic, quartz tone granite material is 3 times harder than natural granite yet, silky to touch and easy to maintain.The non-porous surface is intrinsically hygienic, easy to clean and deters stains and other contaminants for antibacterial protection.