48 inch mattress

BaybyNest Mini Crib Mattress 38x24x4 Inches Portable Dual Sided Playard- Cooling Gel Memory Foam, Temperature Balance Cooling- CertiPUR-US Certified

BaybyNest Crib Mattress 52x27.5x6 with Lyocell Cover - Dual-Sided Comfort, Breathable Gel Memory Foam Inner & Washable Cover, Fits Standard Cribs

Serweet Baby 2-Stage Crib and Toddler Mattress with Cooling Gel Memory Foam, Washable Cover, Breathable Design, Skin Friendly

BaybyNest Mini Crib Mattress 38x24x4, Breathable Lyocell Washable Cover Pack and Play Mattress & Comfort Gel Memory Foam, Fit Mini and Portable Cribs

Costway Foldable Floor Mattress for Kids Glow in the Dark Toddler Nap Mat Tri-Folding Colorful/Grey/Pink

BaybyNest 6" Dual Sided Crib & Toddler Mattress - Cooling Gel Memory Foam,Lux Cooling Touch Cover for Infant All-Night Comfort - CertiPUR-US Certified

Continental Sleep 4" Portable Tri Folding Gel Memory Foam Mattress | Breathable Mesh Sides with Ultra Soft, Removable and Washable Cover.

BaybyNest Dual-Sided CertiPUR-US Crib Mattress, Breathable Knitted Blue Cover, Multi Sizes for Mini & Standard Cribs

Beautyrest Black Diamond 2 Stage Crib and Toddler Mattress - White: High-Density Foam, Firm Feel, 6" Thickness

MAYEERTY Tri‑Fold Folding Mattress, Portable Memory Foam Floor Mattress Topper with Removable Washable Cover for Guest Sleeping Camping Yoga

BaybyNest 6" Crib Mattress, Dual-Sided 100% Knitted Fabric Moisture-Non-Toxic Wicking Cover | OEKO-TEX, CertiPUR-US Certified | Ultra-Breathable

Evolur Breath Flow Plus Air Permeable Crib and Toddler Mattress: 2-Stage, Plush Feel, High-Density Foam, 6-Inch Thickness

Evolur Breath Flow Classic Inner Spring Crib & Toddler Mattress