Best Bed In Box King Size in 2022 [*Top Picks*]

Looking for the best bed in box king size on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

1679 Reviews Scanned

  • Vibe Gel Memory Foam 12-Inch Mattress | CertiPUR-US Certified | Bed-in-a-Box, King
    Bestseller #1
    Vibe Gel Memory Foam 12-Inch Mattress | CertiPUR-US Certified | Bed-in-a-Box, King (386)
      76" W x 80" L x 12" H 2 inches of gel-infused memory foam combined 3 inches of gel-infused foam draws heat away from your body for a more comfortable night's sleep 7 inches of conforming high-density base foam provides surrounding support and responsive relief that helps evenly distribute pressure points in any sleeping position Medium-Plush Feel and Adjustable Base Friendly High-quality memory foam conforms to your body while the cool gel regulates body temperature; porous, open cell design allows for a greater circulation and meets CertiPUR-US program standards for performance, emissions, and durability Mattress ships compressed, rolled and shipped in a box conveniently delivered to your door for easy set-up; frame/foundation/base not included
  • King Mattress,SSECRETLAND 12 Inch Hybrid Memory Foam Mattress and Individual Pocket Springs,King Bed in a Box with Pressure Relief and Cooler Cover,Medium Firm King Size
    Bestseller #1
    King Mattress,SSECRETLAND 12 Inch Hybrid Memory Foam Mattress and Individual Pocket Springs,King Bed in a Box with Pressure Relief and Cooler Cover,Medium Firm King Size (31)
      🌙 SUPPORTIVE AND PRESSURE RELIEF:The memory foam mattress king size adopts 6 layer structure and individual pocketed springs,ensuring your body weight get relax when lying on the SSECRETLAND mattress and don't worry back pain 🌙 BREATHABLE AND COOLING:12 inch king size mattress foam select high-quality cotton core structure can regulate body temperature,breathable surface keep cooling all night long 🌙 SUITABLE FOR MOST SLEEPERS:Our king memory foam mattress is produced and developed by the research department,tested by thousands of Americans,and meets most of the sleeping habits, including stomach sleepers, side sleepers, and back sleepers. 🌙 MOTION ISOLATION:The mattress adopted individual pocket coils maintains spinal health. The memory foam mattress also helps you maintain a proper sleeping position and distributes your weight from toe to head evenly throughout the king mattress. 🌙 15-YEARS WARRANTY: our mission of being US Sleep Company’s most customer-centric company,We will provide 15 years of quality and after-sales service. We will continue to work hard and practice.
  • King Mattress, Mintgreen12 inch Gel Memory Foam Mattress with CertiPUR-US Certified Foam Bed Mattress in a Box for Sleep Cooler & Pressure Relief, King Size Mattress
    Bestseller #1
    King Mattress, Mintgreen12 inch Gel Memory Foam Mattress with CertiPUR-US Certified Foam Bed Mattress in a Box for Sleep Cooler & Pressure Relief, King Size Mattress (42)
      ❤【COOLING KING MATTRESS FOR RESTFUL SLEEPP】:Mingrenn 12" Inch King Size Mattress is designed with gel-infused memory foam to keep you cool & stay comfortable all night long. ❤【 LIKE CLOUD SLEEP】: Mingrenn 12" Full Mattress is designed with three layers all-foam system. To improve support and heat dissipation,mattress include 2” memory foam,2.5” comfortable layer, and 5.5” high density base support foam for ultimate comfort. ❤【KING MATTRESS IN A BOX & FITS ALL BED FRAMES】:Mingreen King mattress, this kinng size mattress is compressed and can be cleverly packed in a box for easy transportation and setting. They fit all king size frames, such as box springs bed frame, floors, slat bases, flat platforms. Please give it 72 hours to expand to king size. ❤【SLEEP AT EASE】Mingreen King marttess all foams meet the highest standards: CertiPUR-US and OEKO-TEX 100, which means mattresses without harmful substances like formaldehyde, mercury, and other heavy metals, you can sleep at ease and pursue a good dream. 【No Risk】Mattresses are covered by a 10-year limit warranty and 30-days money-back return policy. If you are not satisfied with the mattress, you can contact us immediately, and we have a professional customer service team to handle your questions. You can use it with confidence.
  • King Size Mattress,Molblly 14 Inch Premium Cooling-Gel Memory Foam Mattress Bed in a Box, Cool Full Bed Supportive & Pressure Relief with Breathable Soft Fabric Cover,Medium Firm
    Bestseller #1
    King Size Mattress,Molblly 14 Inch Premium Cooling-Gel Memory Foam Mattress Bed in a Box, Cool Full Bed Supportive & Pressure Relief with Breathable Soft Fabric Cover,Medium Firm (112)
      🌙 OPTIMAL COMBINATION —— Molblly 14 inch King Size Cooling-Gel Memory Foam Mattress is designed with FOUR layers all-foam system, including 2.5" gel memory foam, 2.5" of comfortable layer, 2" soft pressure relief foam and 7" high density base support foam for ultimate comfort. 🌙 PRESSURE-RELIEVING FOAMS —— Gel infused memory foam regulates temperature while conforming to the body to ease pressure points, providing orthopedic support and prevent motion disturbance. 🌙 SAFE TO SLEEP ON——We only use CertiPUR US certified memory foam and Oeko-Tex certified top fabric to ensure your uncompromising safety and comfort, which means there is no harmful substances like formaldehyde, mercury, and other heavy metals. 🌙 MATTRESS IN A BOX & FITS ALL BED FRAMES —— The full size bed in a box is easy to carry and set up. It fits all kinds of full bed frames, such as box spring, slatted base, flat platform or adjustable bed, hospital bed, even on the floor. 🌙 3,650 NIGHTS GUARANTEED: Molblly mattress comes with a 10-year warranty. If for any reason you are unsatisfied, contact us at any time for support. NOTE: Please allow up to 72 hours after opening the mattress for any potential odor to dissipate and adjust to its final feel once the foam settles.
  • King Mattress, Alloech 12 Inch King Size Mattress in a Box Bed Cooling Gel Memory Foam Mattress with Supportive and Four-in-One Adjustable Mattress Medium Firm Feel Mattress 80’’x76’’
    Bestseller #1
    King Mattress, Alloech 12 Inch King Size Mattress in a Box Bed Cooling Gel Memory Foam Mattress with Supportive and Four-in-One Adjustable Mattress Medium Firm Feel Mattress 80’’x76’’ (26)
      【Comfort five layers]】The mattress is composed of five separate foam layers.:①: Gel Memory Foam (ensures a comfortable and cool sleep). ②+③: Wave Foam (provides support to avoid the feeling of being trapped in quicksand). ④+⑤: Support Foam (strengthen the support) . 【Optimal level of firmness,coolness,breathability and comfort】 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. 【Mattress in a box】 Alloech mattress is compressed, rolled, and shipped in a box for simple setup; Easily move through narrow corridors and stairs to your bedroom. Rapid expansion opens when the mattress. Alloech mattress fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed. 【Adjustable hardness】You can adjust the arrangement of mattresses according to your sleep preferences to match up with your favorite softness. 【Professional customer support】 We also have a professional production and R&D team as well as a professional customer service team. Ensure that you can get the best quality and most cost-effective mattresses with best shopping experience. Alloech mattresses have a 10-year warranty and 30-day refund policy. If there is any dissatisfaction, please feel free to contact us. NOTE: Mattress is recommended 72 hours for air out and reshape.
  • Sealy - Memory Foam Bed in a Box – 12 Inch, Medium Feel, King Size, CopperChill Technology, CertiPur-US Certified
    Bestseller #1
    Sealy - Memory Foam Bed in a Box – 12 Inch, Medium Feel, King Size, CopperChill Technology, CertiPur-US Certified (386)
      MEMORY FOAM MATTRESS IN A BOX—All the comfort and trusted quality of a Sealy mattress, delivered right to your door and ready to use within 24 hours. LAYERS OF COMFORT—Softer conforming memory foam “hugs” you for personalized comfort throughout the night, while denser foam layers deeper in the mattress keep you supported. COOLER, MORE COMFORTABLE SLEEP—CopperChill fused memory foam promotes cooler, more comfortable sleep. IDEAL FOR ALL SLEEP POSITIONS—This medium memory foam mattress is designed for the way you sleep, whether that’s on your back, stomach, or side. CONVENIENT & DURABLE—Shipped direct to you and built to last, you can rest easy on this premium 12 inch mattress for years to come
  • Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, King, White
    Bestseller #1
    Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, King, White (386)
      THE RIGHT COMBINATION - Our special recipe for rejuvenating rest. Refreshing green tea and moisture-absorbing Activ charcoal infused into a pressure-relieving memory foam that cradles your shape so you awake free of aches and pains and fresh as a daisy PRESSURE - RELIEVING FOAMS - 3 inches conforming memory foam, 2 inches soft, airflow enhancing comfort foam, and 7 inches durable, high density base support foam; ideal for side sleepers and petite to average weight sleepers 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 do 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 pounds, while all other sizes can support up to 500 pounds
  • King Mattress,IYEE NATURE 10 Inch King Size Hybrid Mattress Individual Pocket Springs with Foam,Queen Bed in a Box with Breathable and Pressure Relief,Medium Plush,Bule
    Bestseller #1
    King Mattress,IYEE NATURE 10 Inch King Size Hybrid Mattress Individual Pocket Springs with Foam,Queen Bed in a Box with Breathable and Pressure Relief,Medium Plush,Bule (57)
      STAY A NIGHT SLEEP TIGHT:IYEE NATURE innerspring mattresses queen has designed open cells and high density foam so that it can freely adjust temperature to make for a comfortable sleep. PREVENT HUMAN INTERFERENCE: Due to the pocket spring and foams design, this mattress can effectively absorb noise and vibration; No more getting woken up caused by tossing and turning, no disturbing your companion. DESIGNED FOR ALL SLEEPER TYPES:IYEE NATURE mattress that works for all the sleeping types. With foam and a medium soft core support system to provide each sleeping position a good amount of support. INDIVIDUAL POCKET SPRING: Support system constructed by hundreds of individual pocketed stainless steel spring coils that are excellent for shock-absorption and resilience and help adjust and sleep easier and harder. HASSLE FREE FOR RETURN: You can enjoy a comfortable sleep with the purchase of our mattresses every night which. Included is a 10-year service warranty and 31-days return policy. If you have any dissatisfactory problems, please don't hesitate to contact us.
  • King Size Mattress, JINGWEI 14 Inches Cooling-Gel Memory Foam Mattress Bed in a Box, Certified Foam, Pressure Relief Supportive, Medium Firm, 76 X 80 X 14 inches
    Bestseller #1
    King Size Mattress, JINGWEI 14 Inches Cooling-Gel Memory Foam Mattress Bed in a Box, Certified Foam, Pressure Relief Supportive, Medium Firm, 76 X 80 X 14 inches (134)
      【Cool Mattress to Sleep On】Jingwei Gel Memory Foam Mattress contains cooling gel particles and keeps you cool all night. The super breathable cover helps to dissipate heat. The open foam construction enhances airflow. 【Say Goodbye to Back Pain】 The 14 INCH Full Mattress features a 4-Layer Design: (1) 2.5" gel memory foam that fits your body perfectly and absorbs 95% of your body pressure; (2) 2.5" comfortable layer with special formula and design for cushioned feel comfort; (3) 2" Soft Pressure Relief Foam;(4)7" high density support foam which gives your body perfect support from head to toe and create medium-firm feel. 【Sleep without Concern】All foams are consistent with the highest standards: CertiPUR-US and OEKO-TEX 100, meaning they are free of unhealthy chemicals like formaldehyde, mercury, and other heavy metals. This is suitable for all people, including the elderly and the young. 【Full Bed in a Box】Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed. Full Mattress Dimensions: 54 X 75 X11 inches 【No Risk】Our mattress has an honest 10 year limited warranty and 30-days money-back return policy. Please allow up to 72 hours for the mattress to fully expand, if you have any questions at all, do not hesitate to reach out!
  • King Mattress, Molblly 10 inch Gel Memory Foam Mattress with CertiPUR-US Bed Mattress in a Box for Sleep Cooler & Pressure Relief, King Size
    Bestseller #1
    King Mattress, Molblly 10 inch Gel Memory Foam Mattress with CertiPUR-US Bed Mattress in a Box for Sleep Cooler & Pressure Relief, King Size (107)
      Molblly 10 inch Gel Memory Foam Mattress is designed with three layers all-foam system, improving support and heat dissipation, mattress layers include 2 inches memory foam, 2 inches of comfortable layer, and 6 inches of high density base support foam for ultimate comfort. The memory foam mattress meets the CertiPUR - US Certified for performance, emissions, and durability, the high quality cover can brings you the luxury you crave. 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. Molblly mattress is compressed, rolled, and shipped in a box for simple setup; easily fits through narrow hallways and staircases. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed. Molblly bed mattress comes with a 10-year warranty and 30-days money-back return policy. With our professional customer service team, we help deal with any dissatisfaction problems. If for any reason you are unsatisfied, contact us at any time for support. NOTE: Mattress is recommended 72 hours for air out and reshape.
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