16 x 16 in Biscuit Round Ceramic Bathroom Undermount Sink, CUPC Certified - PZB7
In Stock
Arrives in 4–11 business days (USA)
- Fits a base cabinet at least 19 in wide
- In the box: 1 bathroom undermount sink, installation instructions, cut-out template
- Certified CUPC
- Warranty: 1-year manufacturer's defect warranty · details
- Ships from Niagara Falls, New York
- In business since 2008
- ★★★★★ 4.5/5 from 75,193 customer reviews across our products
Overall Rating (33 reviews)
4.5/5
Design: 4.4 · Size: 4.5 · Color: 4.6 · Price: 4.5
★★★★★ 4.8/5 ✓ Verified Buyer
Clear instructions
Jose M. · Jersey City, NJ · Sep 5, 2026 · 8:36 AM
Design 5 · Size 5 · Color 5 · Price 4
Instructions were clear even for a first-timer. The round shape softens the look. Would recommend.
★★★★★ 5/5 ✓ Verified Buyer
Love the color
Stephane M. · Glendale, AZ · Aug 15, 2026 · 10:13 PM
Design 5 · Size 5 · Color 5 · Price 5
Biscuit goes with our biscuit toilet and tub perfectly. Undermount, so we wipe the counter right into the bowl - no rim to clean around. It's cUPC listed, which our plumber asked about. The glaze is glassy and wipes clean in seconds.
★★★★★ 5/5
Would buy again
Louis S. · Calgary, AB · Aug 10, 2026 · 5:26 PM
Design 5 · Size 5 · Color 5 · Price 5
At 16 by 16 inches it fits our vanity top. Would happily order again.
★★★★☆ 4.3/5
Great value
Yasmin M. · Phoenix, AZ · Jul 26, 2026 · 8:33 PM
Design 4 · Size 5 · Color 4 · Price 4
Less than the big box stores wanted for a similar undermount sink. Undermount needs a stone counter - plan for that. Very happy with it.
★★★★★ 5/5 ✓ Verified Buyer
Looks great
Susan J. · Hialeah, FL · May 14, 2026 · 8:29 PM
Design 5 · Size 5 · Color 5 · Price 5
Hard to find a biscuit sink these days - happy we found this one. Part of our powder room update, and it's perfect. Fair price for the quality. It's cUPC certified, which our plumber wanted to see.
★★★★★ 4.8/5 ✓ Verified Buyer
Solid quality
Murray T. · Virginia Beach, VA · May 14, 2026 · 12:54 PM
Design 5 · Size 4 · Color 5 · Price 5
Double-fired glaze feels thick - no stains so far. Biscuit matches our warm tile perfectly.
★★★★★ 5/5 ✓ Verified Buyer
Great size
Ethan G. · St. Petersburg, FL · Feb 14, 2026 · 9:06 PM
Design 5 · Size 5 · Color 5 · Price 5
The size is exactly as listed - we measured and it fit. Double-fired glaze feels thick - still looks brand new. The transitional look fits in our space - between modern and classic. No regrets.
★★★★★ 4.8/5 ✓ Verified Buyer
Would buy again
Marco B. · Toronto, ON · Feb 10, 2026 · 11:07 AM
Design 5 · Size 4 · Color 5 · Price 5
Two years in and still happy with it. Hard to find a biscuit sink these days - happy we found this one. No regrets.
★★★★★ 5/5 ✓ Verified Buyer
Really happy with it
Tony W. · Savannah, GA · Jan 24, 2026 · 8:27 PM
Design 5 · Size 5 · Color 5 · Price 5
Undermount, so we wipe the counter straight into the sink - no rim to catch anything. Has an overflow, so no worries if the tap gets left on. The glaze is smooth and toothpaste wipes right off. Would buy again.
★★★★★ 5/5 ✓ Verified Buyer
Great quality
Grace A. · Memphis, TN · Jan 10, 2026 · 8:30 PM
Design 5 · Size 5 · Color 5 · Price 5
A month in and still happy with it. Cleans up easily - soap wipes right off. The cut-out template made our fabricator's job easy. It's cUPC listed, which our plumber asked about. The round shape looks great.
Showing 10 most recent of 33.
View or print a PDF with full product specifications.
View or print a PDF with step-by-step DIY installation instructions and drawings.
This is a single-SKU product. It features a round shape. Designed for undermount installation, it fits seamlessly into your space. Constructed with ceramic for durability and long-lasting performance. It comes in Biscuit with a enamel glaze finish. Certified to CUPC standards, so you can buy with confidence. Quality control approved in North America. Each box on your order is physically opened and inspected to ensure only the highest quality product is shipped. We photograph every quality audit for every order — view them when you track your order on our website.
Features:
- THIS PRODUCT INCLUDE(S): 1x bathroom undermount sink in biscuit color.
- Features a round shape with a transitional style.
- Designed for undermount installation.
- DIY installation instructions are included in the box.
- Includes an overflow for added safety.
- Single bowl.
- The undermount sink is available in biscuit.
- Crafted from ceramic.
- CUPC certified — most city inspectors require certified products for final approval.
- Available in biscuit.
- Smooth non-porous surface prevents discoloration and fading.
- Double fired and glazed for durability and stain resistance.
- Features a 1.75-in. standard North American drain opening.
- The required sink cut-out template is included in the box.
- It is highly recommended that you wait for the sink to physically arrive before proceeding with any cut-outs.
- 16-in. width (left to right).
- 16-in. depth (front to back).
- 7-in. height (bottom to top).
- All dimensions are nominal.
- Typically ships within 1 day.
- Quality control approved in North America.
- Each box on your order is physically opened and inspected to ensure only the highest quality product is shipped.
- We photograph every quality audit for every order — view them when you track your order on our website.
In Stock
Arrives in 4–11 business days (USA)
- Fits a base cabinet at least 19 in wide
- In the box: 1 bathroom undermount sink, installation instructions, cut-out template
- Certified CUPC
- Warranty: 1-year manufacturer's defect warranty · details
- Ships from Niagara Falls, New York
- In business since 2008
- ★★★★★ 4.5/5 from 75,193 customer reviews across our products
| Product ID | PZB7 |
|---|---|
| Minimum Cabinet | Fits a base cabinet at least 19 in wide |
| Product Type | Bathroom Undermount Sink |
| Shape | Round |
| Install Type | Undermount |
| Num Of Sinks | 1 |
| Includes Faucets | No |
| Includes Drains | No |
| Undermount Sinks Color | Biscuit |
| Width Group | 10-in. - 19-in. |
| Material | Ceramic |
| Certification | CUPC |
| Color | Biscuit |
Questions & Answers 7
Ask a questionAnswered by the Warm Bath Tiles team. Fit, installation, what is in the box - ask anything.
Frequently asked about this product
Q
How fast will it arrive, and is shipping free?
Frequently asked
A
Shipping is free to Canada and the mainland United States. In-stock orders leave our warehouse within 1 business day. Delivery takes 1-5 business days in Canada and 3-10 business days in the United States once it ships, by courier with tracking.
Warm Bath Tiles team
Q
Will I pay duties or customs on a cross-border order?
Frequently asked
A
No. We are the shipper of record, so any customs duties or import fees on a cross-border order are paid by us - nothing extra is charged at delivery.
Warm Bath Tiles team
Q
Is there a warranty?
Frequently asked
A
Yes - every product comes with a 1-year manufacturer's defect warranty, from the date it is delivered. If a manufacturing defect shows up, contact us with your order number and photos and we will send a part, replace the item or refund it. The full Warranty Policy is on our Legal page (Warranty Policy).
Warm Bath Tiles team
Q
Is it in stock right now?
Frequently asked
A
Yes - it is in stock at our warehouse and ships within 1 business day. The stock count on this page is live.
Warm Bath Tiles team
Q
Can I see the installation sheet or cut-out template before I order?
Frequently asked
A
Yes. Send us the product code through live chat or the Contact Us page and we will email the installation sheet and template drawing so you can check the fit before you buy.
Warm Bath Tiles team
Q
Can I return it if it does not fit or I change my mind?
Frequently asked
A
Yes, within 30 days of delivery, as long as it is new, uninstalled and in the original packaging. For a change of mind a 35% restocking fee applies and the buyer pays the return shipping. Damaged, defective, wrong or missing items are replaced or refunded with no fee and free return shipping - inspect the box at delivery and send us photos within 24 hours. Check the cut-out template against your cabinet and countertop before cutting; a sink that has been installed cannot be returned.
Warm Bath Tiles team
Q
Do you offer contractor or trade pricing?
Frequently asked
A
Yes. Contractors, builders, architects, designers and other trade professionals get NET pricing through a Trade Pro account. Sign in or apply on our Dealer Login page, or ask us through live chat.
Warm Bath Tiles team
Ask a question about this product
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