a 21x18" black granite composite workstation undermount kitchen sink is a game - changer for your kitchen. quartz kitchen sink, made from advanced high - end quartz composite material, offers a unique combination of style and functionality. from a visual perspective, black color of sink is both elegant and modern. it can serve as a focal point in your kitchen or blend seamlessly with other elements of your kitchen design. thick and solid appearance of sink gives it a sense of durability and quality. when you use this sink, you'll be impressed by how quiet it is. thick stone construction acts as a noise - dampening barrier, reducing sound of water splashing and dishes clattering. this is a great feature for those who value a quiet and peaceful kitchen environment. high - end quartz material has hard, smooth, and non - porous surfaces. these surfaces are not only easy to clean but also to scratches. you can use sharp utensils or abrasive cleaning tools without worrying about damaging sink. non - porous nature also means that sink is less likely to harbor not mentioned in compliance . it keeps your kitchen hygienic and clean. rounded corners and ultra - smooth surfaces of sink make it a pleasure to clean. there are no sharp edges or crevices where dirt can accumulate. you can simply wipe sink down with a sponge, and it will look spotless. exterior dimensions of sink are 21"x18"x9.73", and it requires a minimum cabinet size of 24 inches. interior dimensions of 19"x16"x9" provide sufficient space for all your kitchen activities, whether it's washing fruits and vegetables or soaking dirty dishes. standard 3 - 1/2" drain opening is designed to fit most common types of garbage, ensuring that water drains quickly and efficiently. package that comes with sink is very well - thought - out. drying roll - up rack is convenient for drying dishes, and strainers assembly helps in clogs in drain. bottom grid protects sink from scratches, and cutting board is a useful addition for food preparation. with installation clips, template, and installation guide, you can install sink with ease. this 21x18" black quartz kitchen sink is an excellent choice for anyone looking to upgrade their kitchen.if you're in market for a new kitchen sink, a 21x18" black quartz kitchen sink might be ideal option for you. this undermount kitchen sink is made from advanced high - end quartz composite material. its appearance is truly captivating, with look and feel of real stone. black color adds a touch of sophistication to your kitchen, making it stand out. when you start using this sink, you'll immediately appreciate its quiet operation. thick stone construction dampens vibrations and noise, so you can enjoy a more peaceful kitchen environment. this is particularly beneficial if you have an open - concept kitchen where noise can easily spread. high - end quartz material offers hard, smooth, and non - porous surfaces. these surfaces are a dream for any homeowner. they dirt and stains, making it simple to keep your kitchen clean. you can wipe away spills and messes with just a cloth, and sink will look as good as new. non - porous nature also means that sink is less likely to absorb odors, keeping your kitchen smelling fresh. rounded corners and ultra - smooth surfaces of sink are designed with practicality in mind. they dirt from accumulating in hard - to - reach areas, and cleaning becomes a quick and effortless task. you can spend more time enjoying your kitchen and less time cleaning it. exterior dimensions of sink are 21"x18"x9.73", and it requires a minimum cabinet size of 24 inches. interior dimensions of 19"x16"x9" provide plenty of space for washing large items. standard 3 - 1/2" drain opening is a great feature, as it can handle most common types of garbage,