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Kingsdown Twin Xl High Profile Foundation

Not available in your region

SKU: 50883478

Kingsdown foundations are meticulously hand assembled using sustainably sourced Canadian Spruce, which is exceptionally durable. Each piece of lumber is not only heat-treated, but kiln-dried, which improves the performance of the wood over time. Each wooden slat is placed more closely together and cut a full inch wider than most manufacturers to provide a sturdier base.

Collection

Box Spring

Warranty

10 year limited warranty -

Code J -

View Warranty

Color

Black

Foundation height

9 inches

Pattern

Solid

Upholstery material

Fabric

39.00"w x 80.00"d x 9.00"h

4 out of 5 stars

Based on 5410 ratings
5
61%
4
11%
3
8%
2
6%
1
13%
Great Foundation

Great Foundation

This review was collected as part of a promotion

This 9” Stearns & Foster Flat Foundation is the perfect height to give our new mattress a lift. It fits perfectly in our Queen bed frame. It is well made. Highly recommend this item.

Review provided by Stearns & Foster

Reviewed On Jun 8, 2026
Crikster

Very comfortable pillow and doesn’t lose its shape.

This review was collected as part of a promotion

Very pleased with the pillow thus far.

Review provided by Sealy

Reviewed On Jun 6, 2026
Pj

The only sheets to buy!

This review was collected as part of a promotion

These sheets fit perfectly and feel great.

Review provided by Sealy

Reviewed On Jun 6, 2026
Neck Pain

Painful

This review was collected as part of a promotion

The pillows were painful for my wife and I, tried for two weeks to adapt to them but couldn’t make it through a night with the neck pain. Could not return them.

Review provided by Sealy

Reviewed On Jun 6, 2026
Unhappy with mattress cover

Breeze mattress cover

The cover has been washed 2 times now and the whole top has turned a dingy yellow color. I have washed according to instructions in cold water and it has been laid out to dry.

Review provided by Sealy

Reviewed On Jun 6, 2026