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Dyonery

Extra Firm Mattress

$129.99$169.99
Save $40.00

Available at

bestbuy.comBest Price
$169.99$129.99
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This extra-firm, high-density foam mattress offers exceptional spinal support, making it ideal for alleviating back and waist pain. Its balanced firmness and comfort make it a perfect gift for any family. The mattress features a CertiPUR-US & Oeko-Tex 100 certified, fiberglass-free, and odorless construction for worry-free sleep. It includes an upgraded jacquard cover that is removable and machine-washable, designed to soften firmness slightly and reduce motion transfer for undisturbed rest. The durable high-density foam ensures continuous support without sagging, promoting muscle relaxation and steady spinal alignment for year-round comfort.

  • Certified Safe Materials CertiPUR-US & Oeko-Tex 100 certified (no harmful substances), fiberglass-free, and odorless.
  • Adaptive High-Density Support Made with durable high-density foam that stays supportive (no sagging) while keeping muscles relaxed. It maintains steady spinal alignment for comfortable sleep year-round.
  • Upgraded Cover & Motion Isolation Removable, machine-washable jacquard cover (thickened with cotton filling) softens firmness slightly. It also reduces motion transfer and noise for undisturbed rest.

Details

Category
High Resilience Foam Mattresses
Firmness
Extra firm
Coil System Type
No coils
Mattress Features
Machine washable cover, Motion isolation, Safe non-toxic materials
Bedding Size
Twin, King
Sleep Position Suitability
Back sleeper
Materials
foam, high-density foam, cotton

Questions & answers

How much does it cost, and where can I buy it?
This Dyonery high resilience foam mattress is sold by 1 retailer for $129.99. It's currently on sale (up to 24% off). Available at bestbuy.com.
Is it in stock?
Yes, it's currently in stock.
What are the key features?
Key features include Certified Safe Materials CertiPUR-US & Oeko-Tex 100 certified (no harmful substances), fiberglass-free, and odorless, Adaptive High-Density Support Made with durable high-density foam that stays supportive (no sagging) while keeping muscles relaxed. It maintains steady spinal alignment for comfortable sleep year-round, and Upgraded Cover & Motion Isolation Removable, machine-washable jacquard cover (thickened with cotton filling) softens firmness slightly. It also reduces motion transfer and noise for undisturbed rest.
What is it made of?
It's made of foam, high-density foam, and cotton.
What's its coil system type?
Its coil system type is no coils.
What's its firmness?
Its firmness is extra firm.