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BedInABox Tranquillium vs GhostBed Flex

Easily compare the GhostBed Flex vs BedInABox Tranquillium Mattresses side-by-side.

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Essential Mattress Info

Brand
BedInABoxGhostbed (USA)
Mattress Type
Memory foamHybrid (coils and foam)
Prices
Video

Trial & Warranty

Trial Period
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Trial Period (nights)
120101
Warranty Length (years)
2025

Firmness Options

One Firmness Fits All?
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Adjustable Firmness
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Half-Half Firmness
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Selectable Firmness
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Flippable / Reversible Firmness
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Firmness Info

A firmer and supportive feel.

The GhostBed Flex is a 5.5 to 6.5 out of 10 on the firmness scale (10 = too hard, 0 = too soft). The feel is slightly softer than the GhostBed.

Mattress Construction

Materials Overview

A 3-layer construction:

  • 3" 3lb Density CoolRest® Memory Foam Infused with Liquid Gel
  • 2" Pluralux Foam
  • 7" 2lb Density Sure Align Support Foam
  • Smooth Knit Cover.

If you've always loved traditional innerspring mattresses, but you're tired of wearing a groove in every mattress after just a couple of years, the GhostBed Flex is made for you. The GhostBed Flex has 7 layers:

  • Ghost Ice Fabric - Smooth, silky viscose-polyester blend
  • 1" Cool Fiber Layer - Creates air flow so you sleep cooler
  • 1" Gel Memory Foam - Gives that Ghost Hug feel
  • 1" Gel Memory Foam - Relieves pressure and wicks away heat
  • 1" Ghost Flex Soft Transition Foam - Reduces the urge to toss and turn
  • 8 .5" Individually Wrapped Support Coils - Enjoy the sturdy, responsive support of the traditional innerspring mattresses you're used to
  • 1" High Density Support Foam - Extra support and durability from the base up.

Comfort Info

3 lb density memory foam rebounds (takes it shape) quicker making it easier to change positions.
The TENCEL® cover is a performance fabric like no other, absorbing moisture completely and naturally, creating a cooler and more comfortable sleep. With more breathability than cotton, and a softer hand than silk, TENCEL® can be found anywhere from athletic wear to luxurious bedding. Nothing is dreamier than going to sleep on a bed made with TENCEL® fibers.

Our 7-layer hybrid mattress fuses the springy support of individually-wrapped coils with the plush comfort of gel memory foam. Experience out-of-this-world comfort, with the best of both worlds.

Support Info

Our CoolRest™ gel advanced memory foam quickly conforms to your body for pressure relief and support without letting you sink too far into the mattress.

The core of the GhostBed Flex features the patented Ghost Flex innerspring coil unit with our Spirited Edge™ Support design. Individual 8.5" coils create the weightless feeling you love, while wrapping them individually creates minimal motion transfer. Plus, two rows of specially reinforced coils along the edge of the bed make it easy to sit comfortably without slipping off.

Comfort Specs

Open cell memory foam increases air flow, contributing to a cooler sleep.
Sure Align foam works in tandem with CoolRest® Gel memory foam and provides perfect support for long lasting comfort.

Two one inch layers of special gel-infused Memory Foam absorbs and dissipates body heat as fresh air passes through the foam.

Support Specs

CoolRest® Gel memory foam perfectly contours to your body providing improved pressure relief to reduce tossing & turning.
Sure Align foam designed to support & correctly align your spine so you can sleep better.

One inch of Ghost Flex Soft Transition Foam offers pure pressure relief. This layer of soft transition foam contours to your body and reduces the need to toss and turn.
Individual coils offer the responsive support of traditional innerspring mattresses, without the worry of wearing out after just a few months. Additionally, the coils near the edge of GhostBed Flex are specially reinforced for better support - so you can sit on the edge of your bed without sliding off.

Fabric Specs

The TENCEL® cover offers unique moisture management properties - absorbs 50% more moisture than cotton, making it a highly effective performance fabric. Rapid absorption of moisture proves most effective in inhibiting bacterial growth naturally, without adding any chemicals.

Cooling fiber is woven directly into the cover to help create airflow. Topped with Ghost Cooling Fabric for a refreshing feel.

Manufactured in
United StatesUnited States

Suitability

Side Sleepers
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Back Sleepers
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Size & Weight

Twin
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Twin Dimensions
75 x 38 x 12 "75 x 38 x 13 "
Twin Weight (lb)
5376
Twin XL
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Twin XL Dimensions
80 x 38 x 12 "80 x 38 x 13 "
Twin XL Weight (lb)
6281
Full
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Full Dimensions
75 x 54 x 12 "75 x 54 x 13 "
Full Weight (lb)
76100
Queen
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Queen Dimensions
80 x 60 x 12 "80 x 60 x 13 "
Queen Weight (lb)
90122
King
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King Dimensions
80 x 76 x 12 "80 x 76 x 13 "
King Weight (lb)
113138
Cal King
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Cal King Dimensions
84 x 72 x 12 "84 x 72 x 13 "
Cal King Weight (lb)
113141

Certifications & Sustainability

Certifications
CertiPur-US®
CertiPur-US®
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Other Certification Info

Delivery

Delivery Cost
FREEFREE
Delivery Info

Typically, orders are shipped within two business days of receipt from our warehouse in Johnson City, TN via FedEx Ground. Delivery is usually 1-5 days depending on where you live.

We ship faster than other beds in a box GhostBeds are made right here in the USA. This means we've got some of the fastest shipping times in the West all over. Most customers receive their GhostBed within 2-5 days of placing their order! You could be sleeping better by the end of this week.

Prices
Latest Promotions
Limited Time Up to 25% off* Mattresses, bundles & more. Plus, free pillows with select orders. *Excludes the Essential mattress. Now through 5/6
See offer
Halloween Sale! 50% Off Everything! Ends Sunday
See offer