10 Year Warranty

As with all Symbol Comfortec Mattresses, the "Shelton Plush" offers some of the world's best materials and features, at a relatively low price point. Right around "medium" in feel, the Shelton Plush has nearly four inches of quality buildup on top of its trademarked Spectrum Coil, Tri-Zoned innerspring system. 

From a trusted brand and line by an American maker, this is a basic spring mattress but one that offers a slightly upgraded coil unit, thick foam encasement around its entire perimter and both HYPERSOFT and Convoluted Foam layers. For the value-conscious shopper who prefers a more traditional mattress type, the Shelton is probably one of the best choices they can make. 

Available in both custom(odd) and standard sizes, this mattress is composed of all CertiPUR-US foams (non-toxic) and it carries a ten year, non-prorated warranty. 

Width: Length:

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Shelton Plush - A Symbol Comfortec Mattress

This mattress can only be made in standard sizes. To see prices, please click here

Mattress Scale
good mattress
Approx. Height of Mattress: 10"

This Mattress Features:

CertiPUR-US certified foams are:


✓ Made without ozone depleters
✓ Made without PBDEs, TDCPP or TCEP (”Tris”) flame retardants
✓ Made without mercury, lead, and other heavy metals
✓ Made without formaldehyde
✓ Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million)
✓ Made without phthalates regulated by the Consumer Product Safety Commission


Tac & Jump Quilting
Cotton FR Fiber Barrier 
3/4" Symbol Foam

Mattress(Top Side)
2" Convoluted Symbol Foam

540 Tri-Zone Spectrum Coil Support System w/4" Foam Encased Perimeter
2" Symbol Support Core


10 Total Years (10 full)

Shelton Plush - A Symbol Comfortec Mattress

The Symbol Comfortec "Shelton Plush" mattress is more in the medium feel range and features Symbol's trademarked Spectrum Coil unit. (this is a durable, body-contouring but affordable tri-zoned innerspring support system). It's another great product that's offered at a below-medium price point and that offers a lot of value. Foam encasement negates most of this model's motion transfer so, you won't feel the uncomfortableness of too much bouncing or the impact of a partner getting in or out of the bed. While it contains some state-of-the-art materials, the Shelton line of mattresses has an "old school" type of build that is focused on longevity and comfortable simplicity. 

A plush feel mattress is going to offer support but also a reasonable amount of buildup atop its spring unit. Traditionally, it's the feel range that's directly between the firm version of the model and the softness of the pillow top variation. 

Dollar-for-dollar, I highly recommend this mattress for a great combination of quality and affordability. For a bit of added longevity, you may want to check out the: Double-Sided (Flippable) Comfortec Shelton Plush



  • Shipping or delivery of this item to most areas within the 48 contiguous states only. We cannot offer delivery of this item to Alaska, Hawaii, US Territories or APO/FPO addresses without added charges. Please call customer service for rates and availability.
  • Free LTL freight delivery to most cities in the continental US. Destination must be accessible by large truck. Some locations may have a small surcharge.
  • LTL freight service is curbside only. White Glove is available for an extra fee.
  • For complete details, read our Shipping and Return policies.



Measure all 4 sides of your mattress and bed frame before ordering.
We recommend you order the mattress 1 inch smaller than the space it is meant to fill. This will leave extra room for sheets, blankets, and variations in production size. Some people like a larger gap to really have room for your hands to reach down and change sheets easily. Please note that production size is not guaranteed to be exact. Most models are built within ±0.5 inches but the difference can be larger, especially on innerspring models. Custom mattresses are hand made by a factory worker who will take a standard mattress, then shorten it to your size. With the way spring coils are shaped, they will not work when cut in half, so an entire row of springs must be removed to modify mattress sizes. As each row is removed, the bed size changes by 1-2 inches, so your bed may not come exactly the size you order.

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Common Questions

What if it doesn't fit?
We will never ship out a mattress that exceeds the size you have ordered without contacting you first to check if the extra size will cause an issue. Since these are custom made for you they can not be returned, so please be careful when taking measurements. On some bed sets, the box spring will be a different size than the mattress so you will need to measure both pieces. Also, since beds are often set up not perfectly square, you will need to measure all four sides of the bed to find the correct size. Be sure to check for boards or bolts that might protrude in to the mattress area and order your pieces small enough to fit inside of these protrusions.
What sizes are available?
Any size is available upon request but with most models you are limited to being smaller than a King mattress. If you need an odd size bigger than a King, here are some models that can be supersized. Please call us to find out what prices would be.
Can I really order any size and shape?
At this time, with only 1 exception (found here), we only distribute 4-sided rectangular mattresses with no special notches cut from the corners. The size can be as large as a king, so up to 76" wide and up to 84" long. If you need an odd size bigger than a king, please call us to find out what models are available. You can also order a custom mattress small enough to fit in a baby's crib. Mattresses are formed by rows of metal springs and since springs cannot work if cut in half, your mattress core will be sized in 1-2 inch increments. This means that if you order 47x63 it will be built between 46x62 to 48x64 but most of the time it will come within 0.5 inches of the requested size. Please let us know how precise your size must be.
What about the box spring?
It is very important to measure the size of your box separate from your mattress because in many older bed sets, the box was made slightly smaller than the mattress. The length and width of solid foundation box springs can be custom made to fit exact dimensions. The thickness can not be customized but boxes are available in several standard thicknesses ranging from 4.5-9 inches.
How soon will my mattress arrive?
Once your order is paid for, a specialist from Michigan Discount Mattress will call you on the phone to verify your sizes and delivery information. Production will begin and usually takes 3-6 days. After production, the mattress will then be packaged at the warehouse within 48 hours to protect it during shipping to your home. Shipping takes 2-8 days depending on the destination city. The combination of producing, packing and delivering means that you should receive your mattress within 1-3 weeks of the day you order. Our streamlined process has successfully delivered 90% of our orders within 3 weeks.