Sailvan 12-Inch King Size Mattress in a Box, Hybrid Medium-Firm Support Mattress with Cooling Gel Memory Foam,Motion Isolation, CertiPUR-US Certification,and Pressure Relief,Gray
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Sailvan 12-Inch King Size Mattress in a Box, Hybrid Medium-Firm Support Mattress with Cooling Gel Memory Foam,Motion Isolation, CertiPUR-US Certification,and Pressure Relief,Gray

142 ratings
Sailvan 12-Inch King Size Mattress in a Box, Hybrid Medium-Firm Support Mattress with Cooling Gel Memory Foam,Motion Isolation, CertiPUR-US Certification,and Pressure Relief,GraySailvan 12 Inch King Size Mattress Box Hybrid Medium Firm Support Mattress Cooling Gel Memory Foam Motion Isolation CertiPUR US Certification and Pre
Bed SizeKing

Key item features

  • Comfortable Design: The Sailvan king size mattress features a harmonious white and gray design, with a snow-white fabric symbolizing purity and the pursuit of a better life.
  • Targeted Pressure Relief: Over 600 individual pocket springs provide precise, balanced support for 7 key body areas, caring for the spine and relieving daily fatigue.
  • Enhanced Support: A double row of springs with reinforced edges offers more sleeping space and extends mattress life while maintaining its ideal shape.
  • Quiet Motion Isolation: Medium-firm memory foam, individual pocket springs, and a high-density acoustic layer effectively absorb noise, ensuring undisturbed sleep.
  • Cooling Comfort: High-density, temperature-sensitive materials wick away sweat, providing a cool, breathable, and fiberglass-free sleep experience.
  • Certified Safety: Rigorously fire-tested with two layers of fireproof cotton and CertiPUR-US certified multi-layer memory foam, ensuring freedom from harmful substances.
  • Convenient Packaging: This hybrid mattress is packaged in a box for easy shipping and handling, with 4 side pulls for effortless movement.
Generated by AI

Specs

Bed size, KingMattress comfort level, MediumMattress type, Hybrid MattressesMattress thickness, 12 inBrand, SailvanMaterial, High Density Foam

About this item

Product details

Sailvan 12 inch Mattress-in-a-box features the perfect balance of responsiveness, support and pressure relief. This mattress has a medium-firm feel. The individual coil springs in this mattress provide better motion separation even as you toss and turn. 3D Knitting fabric panel improves airflow for more comfort. Higher density memory foam offers better support and relieves your body on points.
  • Comfort King Mattress: Sailvan king size mattress design is inspired by the harmonious combination of white and gray. Memory foam mattress snow-white fabric is clean and pure, symbolizing the desire and pursuit of a better life.
  • Pressure Relief: Sailvan mattress king size features more than 600 high-quality individual pocket springs. Each working independently to provide precise and balanced support for 7 key areas of the body: feet, legs, hips, waist, shoulders, neck, and head. King mattress design perfectly cares for the spine, bed mattress helping to adjust and correct sleep posture relieving the fatigue of the day.
  • Superior Support: Medium firm mattress has a double row of springs with reinforced edges, giving you more space for sleeping. The carefully reinforced edge support not only significantly extends the life of the mattress, but also perfectly maintains the ideal shape of the mattress. At the same time, for people with limited mobility, the strong edge support can ensure a smooth transition, allowing you to stretch out in bed and enjoy every inch of space.
  • Quietly and Motion Isolation: The Sailvan 12 inch king hybrid mattress combines medium-firm memory foam with individual pocket springs and a high-density acoustic layer to further block out any tiny sounds. Effectively absorbs and eliminates possible noise. Whether you're sleeping with your pet or sleeping with your partner, moving and turning over in bed won't affect each other.
  • Cooling Mattress for Sleeping: hybrid mattress is made with high density, premium temperature-sensitive materials can effectively wicks away sweat, ensuring you stay comfortable and dry. The mattress is free of fiberglass, offering a cool, breathable, and comfortable sleep experience for you. King size bed mattress design team has thought fully designed 4 side pulls for you, so you can easily move the mattress.
  • CertiPUR-US Certified: 12 inch king mattress has been rigorously tested for fire resistance, and is equipped with 2 layers of fireproof cotton, so you can use this mattress with peace of mind. The multi-layer, high-density memory foam is CertiPUR-US certified, ensuring it is free from harmful substances. Enjoy a high-quality, safe sleep experience.
  • Worry-Free After-Sales: This Hybrid mattresses are packaged in a box to ensure easy shipping and handling. You can enjoy 10-year product warranty to ensure peace of mind. After unpacking, make sure to let the mattress sit for at least 72 hours so that it can fully expand and reach its optimal state. Sailvan bed mattresses will accompany you through every good night for many years.
  • - full: 75 x 54 x 10 inches; Approx. 62.04 lbs
  • - Queen: 80 x 60 x 10 inches; Approx. 67.54 lbs
  • - King: 80 x 76 x 10 inches; Approx. 83.6 lbs
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Bed size

King

Mattress comfort level

Medium

Mattress type

Hybrid Mattresses

Mattress thickness

12 in

Warranty

Warranty information

12 Months

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.2 out of 5 stars
stars
142 ratings31 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars70% (99)
  2. 4 stars8% (12)
  3. 3 stars5% (7)
  4. 2 stars5% (7)
  5. 1 star12% (17)

Reviews summary

Pros

  • : Provides a soft and supportive surface.
  • : Provides adequate support without being too hard.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 31 reviews

Aug 30, 2026
Reviewer name: Philip
Item details
Bed size: Queen
Sold and shipped bySailvan
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

ok mattress

mattress is cheap in price and the comfort is what u paid for

Helpful?0V3TXL5KDLX215054561488
Oct 21, 2025
Reviewer name: Margarita
Item details
Bed size: King
Sold and shipped bySailvan
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

definitely buy

Surprisingly this mattress is better than most expensive ones. My husband loves it. No more back pain. Very comfortable and firm.

Helpful?0V3TXL5KDLX215054561488
Jan 18, 2026
Reviewer name: Lbroncrider
Item details
Bed size: Full
Sold and shipped bySailvan
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very comfortable!

This mattress is a lot more comfortable than I expected it to be... absolutely love it!

Helpful?0V3TXL5KDLX215054561488
Current price is Now $169.99
You save $60.00
was $229.99
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