do you need a box spring with a sealy mattress

KTMBDW Upholstered Queen Platform Storage Bed Frame with 4 Drawers, Adjustable Headboard with Button Tufted Design, No Box Spring Needed, Black

Kelsey Upholstered Bed Linen - Threshold™

Wuleitex 10-inch Hybrid Mattress

Twin Over Full Bunk Bed with Storage Drawers, Convertible Wood Frame, No Box Spring Needed

Sapphtopaz Leather Bed Frame PU Upholstered Platform Bed with Wingback Headboard & Footboard, Solid Wooden Slats Support, No Box Spring Needed

ELJGET Full/Queen Mattress, 12" Hybrid Mattress in a Box, Gel Memory Foam Mattress, Medium-Firm & Fits Any Bed Frame

Kelsey Upholstered Bed in Boucle - Threshold™

Twin/Full/Queen/King Size Upholstered Bed Frame with Storage Headboard, 2 Drawers, USB Charging Station, No Box Spring Needed, Heavy Duty, Grey

Gracie Mills Keisha Box Quilted Plush Hypoallergenic Down Alternative Waterproof Mattress Pad

Allewie Lift Up Storage Bed, Button Tufted Headboard with Wingback, No Box Spring Needed, Hydraulic Storage, Button Tufted

Premium Cotton Mattress Protector - Casaluna™

Solid Wood Platform Bed Frame with Sturdy Wooden Slats, Floor-Standing Minimalist Design, Walnut Finish, No Box Spring Needed

Emma and Oliver 10 Inch Hybrid Mattress, High Density Foam and Pocket Spring Mattress in a Box, CertiPur-US Certified Foam

Nasitip Full/Queen Blue Velvet Bed Frame with Adjustable Headboard and 4 Storage Drawers, Button Tufted, No Box Spring Needed

NicBex Full/Queen Upholstered Bed Frame with 4 Drawers,Wingback Headboard with Button Tufted Design,No Box Spring Needed,Easy Assembly,Light/Dark Gray

Dexmalle Individually Wrapped Pocket Coils Innerspring Mattress

Emma and Oliver 12 Inch Foam and Pocket Spring Mattress, Mattress in a Box

Emma and Oliver 3-Layer Memory Foam Mattress in a Box with Green Tea Infusion, Cooling Gel, CertiPUR-US Certified Foam and Washable Cover

Lycvki 12 Inch Hybrid Mattress in a Box with Memory Foam and Pocket Spring, Medium Firm,CertiPUR-US & OEKO-TEX

6 Inch TWIN/FULL/QUEEN/KING Metal Platform Bed Frame, Wavy Pattern Steel Frame with Slat Support, No Box Spring Needed, Easy Assembly

Twin Bed Frames - Upholstered Platform Bed Frame with Bed Headboard, Strong Wooden Slats, Velvet Fabric Wrap, No Box Spring Needed

Garvee Upholstered Bed Frame with 4 Drawers, Black Velvet Platform with Tufted Headboard and Nailhead Design, No Box Spring Needed

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

Queen Bed Frame with Storage Drawers, Adjustable Headboard, Faux Leather Upholstery, No Box Spring Needed