Serta Onyx Firm Twin Innerspring 8.5" Mattress

4.6 (68) Reviews ONYX3/3MATT
Competition $499.99 Sale Price $295.95 Save $147 $149
No interest if paid in full within 6 months
or Buy Now, Pay Later. No ongoing commitment.

Size:
King Queen Full Twin
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Serta Onyx Firm Twin Innerspring 8.5" Mattress

Sale Price $295.95 Save $147 $149
Add to Cart

Benefits

  • Pressure Relief

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Description

Serta Onyx Mattresses

An affordable mattress designed with many of the same comfort components in higher-end Serta models – call it a perk for being the America’s #1 mattress brand*

Maximum of two mattresses per household.

In-Stock and Ready for Immediate Delivery

Specifications

Type
Innerspring

Comfort
Firm

Brand Serta
Mattress Type Innerspring
Size Twin
Height 8.50"
Width 39.00"
Depth 75.00"
Weight 29.50 lbs
Works With Adjustable Base? No
Profile Height 8.5"
Warranty 1 Year
Products in Collection
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Serta Onyx Firm Innerspring 8.5

Serta Onyx Firm Innerspring 8.5" Mattress

Serta Onyx Firm Innerspring 8.5" Mattress
Customer Reviews 4.6 (68) Reviews

Need Help Choosing a Mattress?

The mattress experts at Gardner White have your back! Our Mattress Buying Guide can help you cut through all the confusion when you're shopping for a new mattress. Decades of collective experience went into creating the perfect guide for mattress shopping, check it out now!

We've also developed a list of the Best Mattresses of 2025. These include the Best Innerspring Mattress, the Best for Back Pain, and the Best Cooling Mattress among ten other 'Best Of' models. If you're looking for the best of the best in a new mattress, this list is your go-to guide to find youre perfect fit!

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