38 inch mattress

14 Inch Queen Size Memory Foam Mattress, Hybrid Innerspring Mattress in a Box, Silent Pocket Coils for Motion Isolation & Pressure Relief, Medium Firm

BestMassage 10 Inch Green Tea Memory Foam Mattress Cooling Gel Infused Mattress Medium Firm Mattresses

BestMassage 12 Inch Green Tea Memory Foam Mattress Cooling Gel Infused Mattress Medium Firm Mattresses

Charcoal Memory Foam Mattress with Silky Mesh Cover

Delara 2 Inch Gel Infused Memory Foam Mattress Topper, Certipur-US Certified, Ventilated Design for Better Airflow

Visco Gel Infused Memory Foam Mattress with 8in High Density Base for Cool and Relaxed Sleep

Herbal Fusion Green Tea Infused Memory Foam Mattress with 3in Top Layer and 7in Support Base

Avenco 8/10/12/14 inch Medium Gel Memory Foam Pillow Top Hybrid Mattress– 10-Year Warranty, CertiPUR-US, OEKO-TEX Certified

Signature Design by Ashley 12-inch Gray 1200 Series Charcoal-Infused Gel Memory Foam Hybrid Firm Mattress

Queen Mattress, 14 Inch Gel Memory Foam Hybrid Mattress in a Box, Cooling & Breathable Design, Zoned Pressure Relief, Medium Firm Feel

10-Inch Full Size Hybrid Mattress in a Box, Compressed Innerspring Mattress with Comfort Foam Layers, Medium-Firm

12-Inch Full Size Hybrid Mattress in a Box, Compressed Innerspring Mattress with 0.79" Sponge Layer and Comfort Foam Layers, Medium-Firm

FDW 6 Inch Hybrid Mattress with Innerspring and Foam/Fiberglass Free/Medium Firm Spring Mattress/Mattress in a Box/CertiPUR-US Certified

FDW 10 Inch King Mattress Base Foam Mattress CertiPUR-US Certified,Removable Soft Cover,King mattresses for Bed Frame, Bunk Bed, Trundle,

Dyonery Extra Firm Memory Foam Mattress, Cooling Green Tea Gel, Dual-Sided Firmness, Ice Silk Cover

Costway 3" Gel-Infused Memory Foam Mattress Topper with Removable & Washable Cover Twin/Full/Queen/King

12 Inch Gel memory foam mattress

Dyonery 12" Twin XL Gel Memory Foam Mattress in a Box, Medium Firm for Cool Sleep & Back Pain Relief, CertiPUR-US Certified, Fiberglass-Free

Dyonery 12" Twin XL Gel Memory Foam Mattress, Medium Firm for Back Pain Relief, Cooling Sleep, CertiPUR-US Certified, Bed in a Box

Dyonery 12 Inch Twin XL Memory Foam Mattress, Firm Cooling Gel Green Tea Bed in a Box, Fiberglass-Free Cover, Pressure Relief Support,Grey

Dyonery 12 inch in 6-Layer Firm Mattress for Side Sleepers,Cooling Gel Memory Foam Queen Size,Compatible with Adjustable Bed CertiPUR-US Easy Setup