Query: firm mattress
Lucid 8 Inch Gel Memory Foam-Mattress – Firm Feel – Gel Infusion – Hypoallergenic Bamboo Charcoal – Breathable-Cover
LUCID 10 Inch Gel Memory Foam Mattress - Firm Feel - CertiPUR-US Certified - Hypoallergenic Bamboo Charcoal, Twin XL
Full Size Mattress, 12 Inch Iyee Nature Cooling-Gel Memory Foam Mattress Bed in a Box, Supportive & Pressure Relief with Breathable Soft Fabric Cover, Medium Firm Feel,Black
Novilla Queen Size Mattress, 12 inch Gel Memory Foam Mattress for a Cool Sleep & Pressure Relief, Medium Firm Feel with Motion Isolating, Bliss
Amazon Basics Hybrid Mattress - Medium Feel - Memory Foam - Motion Isolation Springs - 12-Inch, Full
Amazon Basics Cooling Gel-Infused, Medium-Firm Memory Foam Mattress, CertiPUR-US Certified - Queen Size, 12 Inch
Signature Design by Ashley Chime 12 Inch Plush Hybrid Mattress, CertiPUR-US Certified Foam, Queen
LUCID 12 Inch Latex Hybrid Mattress - Memory Foam - Responsive Latex - Steel Coils - Firm Feel - Temperature Neutral
Signature Design by Ashley Chime 12" Medium Firm Memory Foam Mattress - CertiPUR-US Certified, Queen
Sealy Response Performance 11-Inch Firm Tight Top Mattress, Queen, White
Zinus 12 Inch Gel-Infused Green Tea Memory Foam Mattress / Cooling Gel Foam / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Queen
Linenspa 8 Inch Memory Foam and Innerspring Hybrid Medium-Firm Mattress-Twin Mattress
ZINUS 10 Inch Support Plus Pocket Spring Hybrid Mattress / Extra Firm Feel / Heavier Coils for Durable Support / Pocket Innersprings for Motion Isolation / Mattress-in-a-Box, Queen
Olee Sleep 13 inch Galaxy Hybrid Gel Infused Memory Foam and Pocket Spring Mattress (King)
Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, Queen
Vibe Gel Memory Foam 12-Inch Mattress | CertiPUR-US Certified | Bed-in-a-Box, Queen