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Most Loved King Size Mattress Extra Firm on Amazon

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The Best is the King Size Mattress Extra Firm !

Check Out These ZINUS 10 Inch Support Plus Pocket Spring Hybrid Mattress, Extra Firm Feel, Heavier Coils for Durable Support, Pocket Innersprings for Motion Isolation, Mattress-in-a-Box, King

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Ayeawo King Size Mattress, 12 Inch Firm King Mattress in a Box, Hybrid Mattress King Size with Memory Foam and Pocket Springs, Pressure Relief and Motion Isolation, Upgraded Strong Edge Support, Firm

as of April 21, 2024 9:34 pm


  • : The Ayeawo King Size Mattress feature a combination of multi-layer high density memory foam and individually pocketed springs that will effectively hlep relieving body pressure and promoting a deep sleep. The upgraded motion isolation and edge support features would help you free from disturbing your companion's sleep and enjoy a peaceful night.
  • : The Hybird Mattress King Size is consists of individually pocketed springs which will provide corresponding support for your body, neck, shoulders, waist, hips and legs, allowing you to maintain a comfortable sleep postures, relieve back pain, and isolate motions to avoid disturbing your companion during sleep. Features stronge edge support to prevent slipping.
  • & - : The King Size Mattress is made of breathable Knitted fabric and multi-layer memory foam for cool sleep and relieve back pain, adopts upgraded pillow top to help shape any sleeping postures for Back, Side and Stomach sleepers and enjoy a good sleep.
  • KING SIZE MATTRESS IN A BOX: The King Mattress measures 80"L×76"W×12"H and supports a maximum weight of 1000lbs. The mattress is rolled up and packed in a box for the convenience of delivery, it is recommended to allow 24h for expansion when unpacked. The king mattresses are compatible with most king bed frames, platform, RV.
  • - The Ayeawo Firm King Mattress offers 10-year warranty and 30-day free return. For any order assistance or pre purchase questiones, please feel free to contact us through "Ask a question" button and we would be appreciated to reply within 24h/7day:)

EEN EEN SLEEP King Size Mattress - Upgrade Strengthen - 12 Inch Hybrid King Mattress in a Box, Mattress King Size with High density Memory Foam and Independent Pocket Springs, Strong Edge Support,Firm

as of April 21, 2024 9:34 pm


  • ENJOY A BETTER NIGHT'S SLEEP - The King Size Mattress is made of independent pocket springs and multiple layers of high-quality memory foam to provide you with the best support and comfort. It fits your body curves to reduce soreness, effectively relieves fatigue releases pressure. It is breathable and sweat-wicking without stuffiness, allowing you to have the best comfortable sleep experience.
  • STRONG EDGE SUPPORT - We have enhanced the King Mattress independent pocket spring to give it better support and sturdiness, without collapsing around the edges, and absorb movement interference between partners to achieve a quiet and comfortable deep sleep.
  • SOFT AND SILKY TO THE TOUCH - Mattress King Size are designed with selected high-end fabrics, bringing a soft and silky touch, and are breathable and wick away sweat without stuffiness, allowing you to wake up refreshed.
  • KING MATTRESS IN A BOX - The Mattress King measures 76"W x 80"D x 12"H and supports a maximum weight of 1500 lbs. The Mattress is compatible with most King Beds. The Mattresses are losslessly compressed into the box, which makes it easy to transport. For your perfect sleep experience, it is recommended to give the Mattress 24-72 hours to return to its best shape.
  • HIGH QUALITY ASSURANCE - This King Mattresses offers 100-Nights Trial and 10 years support, and has been pressure tested 100000 times for strong quality and support, when unpacking the Mattress, please make sure to keep a safe distance as the Mattress may expand quickly, if you have any questions or concerns, our customer support team will be ready to Provide assistance.

Zinus 12 Inch Support Plus Pocket Spring Hybrid Mattress / Strong Coils for Durable Support / Pocket Innersprings for Motion Isolation / Mattress-in-a-Box, King

as of April 21, 2024 9:34 pm


  • DURABLE SUPPORT, PLUS MORE - This mattress ever is engineered with heavy gauge steel independent pocket innersprings for added stability, ideal for stomach sleepers and plus-sized individuals
  • SUPPORTIVE FOAM & POCKET SPRINGS - Soft comfort foam, durable high-density foam and motion-isolating independent pocket springs with a quilted jacquard cover
  • CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR-US Certified for durability, performance, and content
  • EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours
  • Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs

EEN EEN SLEEP King Size Mattress - Upgrade Strengthen - 12 Inch Hybrid Firm King Mattress, King Mattress Made of Memory Foam and Individual Pocketed Springs, Strong Edge Support, Release Stress

as of April 21, 2024 9:34 pm


  • 【ENJOY A BETTER NIGHT'S SLEEP】King Size Mattress is composed of Independent Pocket Springs and multiple layers of high-quality memory foam, providing you with the best support and comfort, effectively releasing pressure and fatigue, relieving back pain, heat dissipation and breathability, own it You can experience a comfortable sleep experience like never before.
  • 【STRONG EDGE SUPPORT】King Mattress upgraded and strengthened Independent Pocket Springs provide strong edge support, prevent sagging, and effectively absorb movement interference between partners. Each spring fits your body curves, suitable for all sleeping positions, for you Provides perfect support.
  • 【KEEP FRESH AND COMFORTABLE】The Hybrid Mattress King is designed with soft and breathable knitted fabric and multi-layer memory foam. The smart sponge can adaptively dissipate heat so that you will not feel overheated while sleeping, and effectively relieve stress and fatigue, allowing you to sleep well every day. Wake up feeling refreshed.
  • 【KING MATTRESS IN A BOX】Mattress King Size is 76"W x 80"D x 12"H, with a maximum weight capacity of 1500 lbs. The Mattress is compatible with most King Size Beds on the market. We compress and pack the Mattress into a box It makes it very easy to transport to your room, and for a perfect sleep experience, it is recommended to give the Mattress 24-72 hours to return to its best shape.
  • 【100% SATISFACTION AFTER-SALES SUPPORT】Mattress provides 100-night trial and 10-year support. If you have any questions, please contact our customer support team to help and solve it. EEN EEN SLEEP Mattress has passed 100,000 pressure tests before leaving the factory. Each Mattress has been carefully and rigorously screened to ensure excellent quality. Please keep a safe distance when unpacking, as the Mattress may expand rapidly.

IYEE NATURE King Mattress 12 Inch King Size Memory Foam Mattress Fiberglass Free, Breathable and Supportive, Pressure Relief and Comfortable Rest - Arrives in a Box Mattress King Size 76"*80"*12"

2 new from $219.99
as of April 21, 2024 9:34 pm


  • 【Fiberglass free】 Once, we had used fiberglass; Long long ago, we haven't been using fiberglass any more. You and your family's health is our primary concern and protection.
  • 【MATERIAL & CONSTRUCTION】: Iyee Nature 12 inch King size mattress gel memory foam mattress is designed with three layers all-foam system, including 2.5" gel memory foam, 2" of comfortable layer,7.5" high density base support foam for ultimate comfort.
  • 【COMFORTABLE & BREATHABLE】: Iyee Nature king size mattress All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief; Specialized foams reduce motion transfer of a partner so your sleep is undisturbed.
  • 【HEALTH & HYPOALLERGENIC MATTRESS】: The foam and memory foam materials has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals. You can rest assured to use a king size mattress in order to pursue a stable sleep
  • [Warranty]: Iyee Nature king size mattress is a kind of mattresses specially designed and produced by us. We are a manufacturer specializing in the design and production of mattresses. We also have a professional production R&D and QC team. Our mattresses have a 10-year warranty. If for any reason you are not satisfied, please feel free to contact us. Note: Please wait up to 72 hours after opening the mattress, the mattress will return to king size mattress and eliminate the smell

Avenco King Size Mattress, 12 Inch King Memory Foam Mattress in a Box for Cooling Sleep & Pain Relief, CertiPUR-US Certified King Mattresses Firm

as of April 21, 2024 9:34 pm


  • FRESH & COOLING SLEEP: Avenco 10 inch memory foam king size mattress features a breathable and light fabric to enhance airflow and minimize heat retention. 2-layer comfort foams effectively eliminate odors and pulls moisture to keep the mattress fresh. Our king mattresses keep you at the optimal body temperature for refresh sleep.
  • PRESSURE RELIEF & STABLE SUPPORT: Combined 2" comfort foam and 10" high density foam base, our full size mattress contours to your body for perssure relief and enhances additional support to avoid sinking and reduce the transfer of your partner's motion. The edge support on both sides of the mattress is reinforced to prevent slipping when sitting on the bed edge. Cozy full foam mattresses accommodate with most back sleepers, stomach sleepers and side sleepers.
  • BIG BANG FOR THE BUCK: Avenco king size mattress offers the ultimate in sleep comfort at 10% below market price, which will be the best value option for your guestroom, kids' bedroom and college dorm. The zipper-closured mattress cover can be washed by hand or machine, which is easy to keep the foam mattress clean.
  • BED IN A BOX: Door-to-door delivery with vacuum-sealed packaging. Please allow the king memory foam mattress to rest in room temperature for 24-72 hours to fully expand and recover. ( Higher temperatures will expand faster while lower temperatures will be slower.)
  • THOUGHTFUL SERVICE: Up to support 450lbs, Avenco king size mattress in a box is certified by CertiPUR-US and is compatible with most bed frames like box springs, platforms, slatted bases, floors, etc. 100-NIGHTS TRIAL and 10-YEAR WARRANTY will be available, pls feel free to contact us if you have any questions.

BedStory Firm Mattress Topper 3 Inch King Size - Extra Firm Memory Foam Bed Topper for Pain Relief - Copper Gel Bamboo Charcoal Green Tea Infused Cooling Mattress Pad - CertiPUR-US Certified

2 new from $169.99
2 used from $168.09
Free shipping
as of April 21, 2024 9:34 pm


  • RELIEVE PAIN & PROTECT THE SPINE - 2-layer pressure-relieving firm memory foam mattress topper conforms to your curves and distributes weight evenly to align the spine and alleviate pressure points.
  • 2-LAYER DESIGN & OPTIONAL FIRMNESS - Featuring double-layer foam design, the top side of the mattress topper is firm, and the bottom side is extra-firm, giving you the "just right" firmness.
  • REMOVE MOISTURE & ALLEVIATE FATIGUE - Fusion foam contains bamboo charcoal, copper, gel, and green tea extract, which can remove moisture and absorb sweat, promote human blood circulation and metabolism, and alleviate fatigue.
  • COOLING & BREATHABLE EXPERIENCE - Enhanced with fluid gel-infused technology, this firm bed topper is perfect for those who tend to sweat or feel hot while sleeping. Its special ventilated design promotes air circulation, ensuring a cool and comfortable sleep environment.
  • NON-SLIP & HYPOALLERGENIC COVER - The high-quality cover of this mattress topper is skin-friendly and hypoallergenic. It resists pilling and static, while the four elastic straps ensure a secure fit to your main mattress, preventing any sliding.

BedStory 3 Inch Firm Memory Foam Mattress Topper King Size - Extra Firm Bed Topper for Overweight Individuals, Back Pain Relief Enhanced Cooling Pad with Skin-Friendly Cover, CertiPUR-US Certified

as of April 21, 2024 9:34 pm


  • 2-LAYER DESIGN & OPTIONAL FIRMNESS - BedStory mattress topper's double-layer foam design features a firm top and an extra firm bottom, giving you options for the perfect level of comfort.
  • ERGONOMIC DESIGN & PAIN-PAIN RELIEF - BedStory memory foam topper conforms to your body shape, distributing your weight evenly and offering targeted support to areas that need it most. This helps to reduce pressure points and alleviate pain, making it ideal for all sleepers, especially overweight individuals.
  • COOLING & BREATHABLE EXPERIENCE - Stay cool all night with the BedStory gel-infused memory foam's heat dispersion technology. The gel beads that are infused within the foam work by drawing heat away from the body, keeping you cool as you sleep.
  • MACHINE WASHABLE & ANTI-SLIP BOTTOM - The firm mattress topper features a detachable, machine-washable cover made of skin-friendly knit fabric, which is lightweight, anti-static, and gentle on sensitive skin.
  • CertiPUR-US & OEKO CERTIFIED ENSURE SAFETY - BedStory CertiPUR-US certified foam and OEKO-TEX cover meet the highest standards for safety. The topper will fully expand in 24 hours, and any new foam smell will quickly dissipate.

JINGWEI King Mattress, 12 Inch Innerspring Hybrid Mattress in a Box, Individually Pocket Coils for Motion Isolation & Cool Sleep, King Bed for Back Pain, Medium Firm, King Size Mattress

as of April 21, 2024 9:34 pm


Color12" Gray

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Most Loved King Size Mattress Extra Firm on Amazon
Most Loved King Size Mattress Extra Firm on Amazon
$169.99 $189.99
Randi Owsley

Randi Owsley

Randi is your deal loving shopping BFF. She is also a licensed psychotherapist, shopaholic, podcast host and the ultimate deal hunter. Randi is all about helping you spend less and helping you find more of what you love while saving on the way!

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