comparison
BedInABox Tranquillium vs Diamond Transformation Hybrid
Easily compare the Diamond Transformation Hybrid vs BedInABox Tranquillium Mattresses side-by-side.
Latest Promotions | |
Spring Sale 25% off mattresses* 25% off bundles. Plus, free pillows with select orders. *Excludes the Essential mattress. See offer | Limited time only. 35% Off select Diamond mattresses + Free bedding bundle up to $285 value See offer |
Essential Mattress Info | |
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Brand | |
BedInABox | Diamond Mattress |
Mattress Type | |
Memory foam | Hybrid (coils and foam) |
Prices | |
Video | |
Trial & Warranty | |
Trial Period | |
Trial Period (nights) | |
120 | 120 |
Warranty Length (years) | |
20 | 20 |
Firmness Options | |
One Firmness Fits All? | |
Adjustable Firmness | |
Half-Half Firmness | |
Selectable Firmness | |
Flippable / Reversible Firmness | |
Firmness Info | |
A firmer and supportive feel. | Everyone has their ideal comfort level. That's why we've designed this comfort selector tool so that you know exactly what you're jumping into. Select from 3 firmness levels:
|
Mattress Construction | |
Materials Overview | |
A 3-layer construction:
| The Transformation Mattress by Diamond Mattress is constructed of:
|
Comfort Info | |
3 lb density memory foam rebounds (takes it shape) quicker making it easier to change positions. | Foam Encased Comfort Edge: Increases usable sleep surface by allowing you to sleep all the way to the edge without feeling like falling off. Creates a better edge for entering, exiting and sitting on the side of the mattress. |
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. | Combination Foam and Coils: Superior Pressure Relief. Contours to your natural shape to help achieve a comfortable sleeping posture. Hyper conductive foam regulates core temperatures for a natural sleep. Coils provide breathability and additional comfort and support. |
Comfort Specs | |
Open cell memory foam increases air flow, contributing to a cooler sleep. | Diamond Sparkle Foam actively regulates your core temperature for the most natural sleeping environment. Graphene and conductive flakes dissipate heat from the surface of the skin. |
Support Specs | |
CoolRest® Gel memory foam perfectly contours to your body providing improved pressure relief to reduce tossing & turning. | Patented Zoned Support System: Adding 25% more support where you need it most
Over 1,000 micro-coil act with independent suspension to create weightless pressure relief. |
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. | Diamond Sparkle Foam actively regulates your core temperature for the most natural sleeping environment. Graphene and conductive flakes dissipate heat from the surface of the skin. |
Manufactured in | |
United States | United States |
Suitability | |
Side Sleepers | |
Back Sleepers | |
Size & Weight | |
Twin | |
Twin Dimensions | |
75 x 38 x 12 " | 75 x 39 x 14 " |
Twin Weight (lb) | |
53 | 63 |
Twin XL | |
Twin XL Dimensions | |
80 x 38 x 12 " | 80 x 39 x 14 " |
Twin XL Weight (lb) | |
62 | 71 |
Full | |
Full Dimensions | |
75 x 54 x 12 " | 75 x 54 x 14 " |
Full Weight (lb) | |
76 | 86 |
Queen | |
Queen Dimensions | |
80 x 60 x 12 " | 80 x 60 x 14 " |
Queen Weight (lb) | |
90 | 101 |
King | |
King Dimensions | |
80 x 76 x 12 " | 80 x 76 x 14 " |
King Weight (lb) | |
113 | 135 |
Cal King | |
Cal King Dimensions | |
84 x 72 x 12 " | 84 x 72 x 14 " |
Cal King Weight (lb) | |
113 | 135 |
Certifications & Sustainability | |
Certifications | |
CertiPur-US® | |
Other Certification Info | |
Delivery | |
Delivery Cost | |
FREE | FREE |
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. | Our premium mattresses are quickly delivered directly to your door, so you can unbox and unwind as fast as you can say Bed-in-a-Box. |
Prices | |
Latest Promotions | |
Spring Sale 25% off mattresses* 25% off bundles. Plus, free pillows with select orders. *Excludes the Essential mattress. See offer | Limited time only. 35% Off select Diamond mattresses + Free bedding bundle up to $285 value See offer |