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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Riverby 27" 1 Bowl Undermount Workstation Kitchen Sink - Thunder Grey 8668-5UA2-58 Kohler> The understated beauty of this Riverby sink makes it an elegant and versatile addition to the kitchen. A single, large bowl provides ample space to soak and wash cookware, while a sloped base minimizes water pooling. Crafted from enameled cast iron, this sink resists chipping, cracking, or burning for years of beauty and reliable performance. It comes with a custom fit colander with integral cutting board and a stainless steel bottom sink rack.
The understated beauty of this Riverby sink makes it an elegant and versatile addition to the kitchen. A single, large bowl provides ample space to soak and wash cookware, while a sloped base minimizes water pooling. Crafted from enameled cast iron, this sink resists chipping, cracking, or burning for years of beauty and reliable performance. It comes with a custom-fit colander with integral cutting board and a stainless-steel bottom sink rack.
- Five oversized faucet holes.
- Offset drain increases workspace in the sink and storage space underneath.
- 30" (762 mm) minimum base cabinet width.
- Single bowl.
- Includes K-6239 colander with integral cutting board and K-9137 bottom sink rack.
- 9" (229 mm) depth provides generous workspace.
- Bowl slopes toward drain to minimize water pooling.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Best Mattress Pad!
Size: Queen
This is the best mattress pad you are going to find anywhere and the price is actually a bargain compared to all the other mattress pads I saw in the stores or online. Thought I needed a new mattress but all I needed was this comfy cover.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Soft, comfortable and really nice.
Size: Full
This product is of really nice material. It's soft and comfortable, deep pockets and fits my bed perfectly. It's a great product, however, if you're looking for something for back support, this isn't it. It isn't for me anyway - there's no firmness to this topper at all but it is very comfortable.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
COMFORTABLE AND WORTH THE MONEY
Size: Queen
Excellent mattress topper. Its thick and paired with my matress provides a high end hotel feel. I have had it for a few months and it has not lost its shape and stays in place. Worth the money. You are definitely getting what you paid for.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Awesome!!
Size: King
This mattress topper is like sleeping on a cloud. It is so soft and comfortable to sleep on. It stays on the mattress very nice. Great price for a very nice topper. Highly recommend
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Wow!!!
Size: King
I couldn’t be happier with this mattress cover—it completely transformed my sleep.
I had one of the best nights of sleep I’ve had in a long time—no tossing and turning, just pure comfort. It stays in place nicely and feels high-quality and well-made. Fluffy without the bulk.
If you’re looking to upgrade your sleep without buying a whole new mattress, this is absolutely worth it. Highly recommend!
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Reviewed in the United States on April 10, 2026
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