Ceramic sink dimension: Exterior Size: 16"L x 16"W x 5"H. Interior Size: 15.5"L x 11.75"W x 3"H. Easy to install on a wall mount or over a countertop. Drain Size: 1.75", easily match with any fixtures in the bathrooms.Durable Ceramic Construction: Made from Premium Quality vitreous ceramic, this wall-mounted bathroom sink is strong and durable, able to resist scratches, chips, and fading over time. The non-porous surface of this sink makes it low water absorption,acid resistance, Smooth and polished surface, ensuring that it remains hygienic and free of stains.Adjustable Height: Suitable for dual installation methods of Vessel Countertop installation and Wall Mount installation. The wall-mounted design is easy to install, allows you to customize the height of the sink to your desired level, making it a comfortable and practical choice for users of all heights.Sleek and Modern Design: This wall-mounted bathroom sink boasts a sleek and modern design that will add a touch of elegance to any bathroom decor. Wall-mounting this sink frees up valuable floor space in your bathroom, this concise design of sinks is suitable for various places, such as bathrooms, vanity, laundry, restrooms, cloakroom, washroom, hotels bath, etc.After-sale Service: Whether it's Amazon shipping or seller shipping, we will try our best to deliver the package to your doorstep within 2-7 days. Please don't worry about package delay. We promise 1 months hassle free for return and money back. If you encounter any issues, please feel free to email us via order and we will reply to you as soon as possible within 24 hours. Product Description Eridanus 16" Wall Mount Bathroom Sink Crafted from premium vitreous china, the bathroom sink is built to last and withstand the test of time. Eridanus wall mount sink combines modern aesthetics with functions, integrating seamlessly into your bathroom while providing you with the best service and an incomparable experience. Specifications Internal Size: 15 ½" W x 11 ¾" D x 3" HExternal Size: 16" W x 16" D x 5" HNet Weight: 25.6 lbsDrain Type: Pop-up Drain (with overflow) The actual size may vary by up to 1/4 inch since all Eridanus bathroom sinks are handmade. (Pop-up drain is not included) Color White Shape Rectangular Dimension 16" W x 16" D x 5" H Drain Size 1 ¾" in diameter Sink Material Vitreous China Sink Type Wall Mount Bathroom Sink Installation Wall Mount/ Above Counter Overflow Yes 1 Modern Design 2 Durable Material 3 Effortless Maintenance 4 Increased Accessibility How easy is the bathroom sink to clean and maintain? Use a mild detergent and a soft cloth to rinse the bathroom sink thoroughly and wipe it dry to eliminate water spots. How is the draining performance of the bathroom sink? The bathroom sink is designed with a gently sloped bottom inside which is not completely flat and ensures fast drainage. Does the bathroom sink come with a pop-up drain? Eridanus opts not to include a pop-up drain in its bathroom sinks because we truly understand that each customer has a unique taste on hardware finishes and distinctive needs to make the hardware fit more impeccably into a specific bathroom decor. What is the drain hole size? The drain hole size is 1 ¾". Find the Perfect Eridanus Sink for Your Bathroom Outer Dimensions 16" x 16" x 5" 43 ¼" x 16 ½" x 5 ¼" 18" x 9 ¾" x 4 ¾" 39 ½" x 16 ½" x 5 ¾" Inner Dimensions 15 ½" x 11 ¾" x 3" 42 ½" x 11 ¾" x 3 ½" 12 ½" x 9 ½" x 3" 38" x 11 ½" x 4" Net Weight 25.6 lbs 70.6 lbs 18.2 lbs 65 lbs Drain Size (Diameter) 1 ¾" 1 ¾" 1 ¾" 1 ¾" Shape Rectangular Rectangular Rectangular Rectangular Installation Wall Mount/ Above Counter Wall Mount/ Above Counter Wall Mount/ Above Counter Wall Mount/ Above Counter Overflow Drain Included