Serta Onyx Firm Twin Innerspring 8.5" Mattress

4.6 (83) Reviews ONYX3/3MATT
Competition $499.99 Sale Price $295.95 Save $96 $199.95
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 $96 $199.95
Add to Cart

Benefits

  • Pressure Relief

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Description

Serta Onyx Mattress

An affordable mattress designed with comfort components found in higher-end Serta models

520 Continuous Support

Innerspring system featuring continuous rows of coils that run head-to-toe, providing excellent body support.

PillowSoft® Aire

Soft foam provides enhanced cushioning for exceptional comfort and promotes air flow.

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 (83) Reviews

Need Help Choosing a Mattress?

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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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