Sealy Posturepedic Determination Cushion Firm Mattress

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$1,399.99 $2,449.99

Regular Price $1,959.99 Regular Price $3,249.99


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Sealy Posturepedic Determination Cushion Firm Mattress

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Financing Options
Affirm Financing

Buy now, pay later with Affirm Financing. Allows you to apply and complete your order online.

Bernie & Phyl’s Financing

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Experience superior comfort with the Sealy Posturepedic Determination Cushion Firm Mattress, featuring an innovative ComfortLoft™ Knit Cover embedded with Chill™ technology and AllergenGuard™ protection. The mattress design encompasses the advanced FlameGuard™ Fiber quilt, accompanied by a 0.5" layer of SealyCool™ Gel Memory Foam and a 1.5" x 0.5" layer of SealyCool Gel Foam Medium, ensuring optimal sleep temperature control. Engineered for targeted support, the mattress incorporates a 0.5" SealyCool™ Gel Memory Foam Center and a 1.5" SealySupport™ Gel Foam Medium layer. Boasting a robust configuration of 1072 Coils with DuraFlex Pro Edge, this mattress offers both durability and stability. Elevate your sleep experience with this 13" high mattress marvel.
Vendor Name Sealy
Mattress Height 11.5"
Made in Made in USA logo

Recommended Care


Bernie and Phyl's not only honors manufacturer warranties, we will also assist you with most manufacturer claims or direct you to the appropriate party. We also offer our Protection Program for an additional cost.

  • MANUFACTURERS WARRANTY - Bernie and Phyl's will assist you with any manufacturer warranty issues.
  • BERNIE AND PHYL'S PROTECTION PLAN -. Can be purchased for an additional charge.

Call Customer Service to get details of manufacturers' warranties. For answers to all your warranty questions, please call the Customer Service department at 800.244.9350. Customer Service hours are Monday through Friday, 9 a.m. to 5 p.m.

Understanding Mattress Sizes

Twin Mattress - 39” x 75”
Usually used in smaller rooms, bunk beds, or hi-risers, twin beds can fit a single small child or adult comfortably.

Twin XL Mattress -  39” x 80”
Usually used in college dorm rooms, twin XL beds offer the same width as twin beds but with a little extra length for taller individuals.

Three Quarter Size Mattress - 48” x 75”
Known as the “antique” bed size, these beds are great for RVs or for a single person looking for a little more room.

Full Size Mattress - 54” x 75”
Also known as a “double,” these beds can be a snug fit for two people but work great for children.

Full XL Mattress - 54” x 80
Similar to the full size mattress, the full XL adds an extra 5’’ of legroom for taller individuals.

Short Queen Mattress - 60” x 75”
This mattress is wide enough to sleep two comfortably, but 5’’ shorter than a regular queen mattress, making it a nice option where space is limited.

Queen Size Mattress - 60” x 80”
This mattress offers a comfortable sleeping area for two adults and is the most popular bed size.

King Size Mattress - 76” x 80”
If you have the space, the king bed offers the ideal solution for two adults to sleep without disturbing eachother. This mattress is the same length as the queen but with 16’’ in additional width.

California King Mattress - 72” x 84”
Popular on the west coast, the california king offers 4’’ of increased length compared to the standard king and is a great solution for very tall individuals.


Mattress Only
For platform beds or other options where no boxspring is necessary

Mattress and Boxspring
Our most popular option.  We offer boxsprings in the standard size of 8-9” or a low-profile option of 4.5-5.5” that can be easier to get into.

Mattress and Split Boxspring
Typically used with king and California king mattresses, split boxsprings offer the maneuverability to more easily move your bed. 

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