The BLANCO DIAMOND 5/5 DOUBLE BOWL DUAL MOUNT KITCHEN SINK features a 5/5 bowl design, offering plenty of room for rinsing, washing, soaking, spraying and straining operations. The ideal choice for those who wash dishes by hand, you can stack dirty dishes and utensils in one sick while prepping in the other. This kitchen sink is made of SILGRANIT, a patented, certified granite composite material that is engineered to take on the toughest kitchen tasks. SILGRANIT is heat, scratch, stain, chip and impact resistant, making it stronger and more durable than other sink materials. Beautiful and highly functional with its non-porous, hygienic surface, it pushes away liquids and residue resulting in a low maintenance, easy to clean, long-lasting material.