The BLANCO DIAMOND DOUBLE BOWL UNDERMOUNT KITCHEN SINK features a 60/40 bowl design, offering plenty of room for rinsing, washing, soaking, spraying and straining operations. The 60/40 bowl split allows for washing larger items while still leaving the smaller bowl open. This kitchen sink is made of SILGRANIT, a patented, certified granite composite material that is engineered to take on the toughest kitchen tasks. 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. Combine the DIAMOND Double Bowl with a BLANCO faucet and accessories to create a BLANCO UNIT; a seamless, fully-integrated solution designed to transform kitchen chores into joyful experiences. Everything you need to drink, prep and clean, all in one place. Color: Coal Black.