Beautyrest Anniversary Keegan Plush Mattress By Simmons M21251.
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Simmons Beautyrest Anniversary Keegan Plush Mattress

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2. Add A Boxspring Foundation To Make It A Set
Simmons Beautyrest Anniversary™ 9 Inch Foundation
DreamFit 100% Terry Cloth Mattress Protector in White
DreamFit DreamCool® Performance Fabric Mattress Protector in White
Total Price: Out of Stock!
Product Description:

Combining foam-encased coils and multiple layers for maximum comfort and motion separation, the Simmons Beautyrest Anniversary Keegan Plush Mattress delivers a superior level of comfort and is designed for years of restful and relaxing use. This Simmons Beautyrest mattress provides better sleep through generations of carefully researched and tested sleep technology. The innovative signature pocket coil springs are crafted to conform to the body and provide ultimate support as well as a still and peaceful sleep. The insulated springs allow this mattress to provide a degree of motion separation that eliminates the vibrations and motions of restless sleepers and lets their sleeping partner rest without being disturbed. Simmons' experience and performance in the mattress and upholstery field has earned them a reputation as leading sleep experts. This high quality Simmons Beautyrest mattress upholds their tradition as the best in the business of sweet dreams.

  • Comfort level: Plush
  • Layers: 1 1/2” P11 foam
  • Coil series: 8” 850 FEC Series foam encased coils
  • Support: ½” P85 foam
  • Mattress height: 11.5"
Coil Counts:
  • Twin: 496
  • Twin XL: 544
  • Full: 682
  • Full XL: 714
  • Queen: 850
  • King: 1088
  • Cal King: 1116
Standard Mattress Sizes:
  • Twin: 39” x 75”
  • Twin XL: 39” x 80”
  • Full: 54” x 75”
  • Queen: 60” x 80”
  • King: 76” x 80”
  • Cali King: 72” x 84”
Beautyrest Super Pocketed Coil Springs:
  • Provide motion separation for undisturbed sleep
  • Conform to the unique shape of YOUR body
  • Designed for years of consistent comfort
Total Surround Beauty-Edge Foam Encasement:
  • Provides a tailored look for aesthetic appeal
  • Offers firm, stable seating edge to maximize sleep surface


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Simmons Mattress company is the maker of the world famous Beautyrest Mattress Collection. At, we carry the entire line of Simmons Mattresses including the Beautyrest Mattress collection, Natural Care Latex Mattress collection, ComforPedic Memory Foam Collection and Simmons Kids Mattresses, to name a few. Simmons is committed to helping consumers attain a higher quality of sleep and supports this mission by developing superior pocket coil mattresses and promoting a sound, smart sleep routine. Simmons Mattress company continues to innovate the bedding industry with great innerspring mattress and memory foam mattress products. Simmons has a Beautyrest collection for any price range, check out the Simmons Beautyrest World Class Collection for the utmost in quality. The Simmons NxG Mattress collection brings you an entirely new generation of mattress type called foamspring.This collection is made of innerspring mattresses using Simmmons pocketed coil technology, paired with a memory foam top for superior comfort and support.
The Beautyrest Anniversary collection by Simmons is an achievement over 85 years in the making, a line truly worth celebrating. Featuring the complete comfort and support of 850 density Beautyrest Pocketed Coil springs, you are sure to get the most supportive night’s sleep on the market. Beautifully redesigned luxury fabrics and aesthetics provide an extra touch of comfort.

The total surround BeautyEdge foam encasement feauture QuantumLock for foam rail integrity ensures sleeping comfort from edge to edge. The Beautyrest Anniversary collection uses Energy Foam technology, part of Simmons’ patented no flip construction, so you will never have to worry about flipping.
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