38 inch mattress

Mattress on Sale: 14" King Hybrid Mattress in a Box, Individually Pocket Springs,Medium Firm, Pressure Relief, Breathable Comfort, Fiberglass Free

14 Inch King Mattress, Memory Foam Hybrid Mattress in a Box,Pocket Springs for Motion Isolation, Pressure Relief & Sleep Supportive, Medium Firm

King Size Memory Foam Mattress, 14inch Gel Memory Foam Mattress, Breathable Mattress in a Box, Certified Safe Foams & Fabric

14 Inch King Mattress in a Box, Gel Memory Foam & Individually Wrapped Pocket Coils, Medium Firm, Cooling, CertiPUR-US Certified

14" King Mattress in a Box, Memory Foam Mattress with High Quilted Hybrid of Comfort Foam and Pocket Spring, CertiPUR-US Certified

14" King Mattress in a Box, Hybrid Memory Foam Bed – Medium Firm Feel, Cooling & Breathable Fabric, Motion Isolation, Zoned Pressure Relief

Zinus 8" Spring Mattress

Memory Foam Mattress in a Box, 14inch King Size Mattress for Cool Sleep & Pressure Relief, Medium Firm

Vibe Quilted Hybrid Mattress, 12-Inch Innerspring and Pillow Top Gel Memory Foam Mattress, CertiPUR-US Certified Bed in a Box

Sealy DuoBreathe 2-Stage Crib 5.75" Foam Mattress - White/Gray: Waterproof, Removable Mesh Cover, Firm Toddler Bed

DynastyMattress 4-inch CoolBreeze Memory Foam Mattress Sleeper for Convertible Folding Sofa & Couch Beds Full Size Sofa Not Included - USA Made

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

Serweet 14 inch 5-Zone Mattress

Signature Design by Ashley Destin Cove 15 Inch Plush Mattress, Hybrid with Memory Foam and Wrapped Coils

Signature Design by Ashley Destin Cove 14 Inch Firm Mattress, Ultra Firm Hybrid with Memory Foam and Wrapped Coils

Serweet 12 inch Breathable Hybrid Mattress - Compatible with Platform Bed, Box Spring, or Slat Base

Serweet 14 inch Breathable Hybrid Mattress - Compatible with Platform Bed, Box Spring, or Slat Base

Serweet 8 inch Breathable Hybrid Mattress - Compatible with Platform Bed, Box Spring, or Slat Base

King Mattress on Sale: 14" Gel Memory Foam Mattress, Cooling Tech, Medium Feel, Pressure Relief, CertiPUR-US Certified, 7 Foam Layers

King Mattress, Medium Firm 14" Gel Memory Foam Mattress, CertiPUR-US Certified

King Size Mattress in a Box, 14 Inch Gel Memory Foam Mattress for Cool Night & Pressure Relief, Medium Plush Feel with Motion Isolation