do you need a box spring with a sealy mattress

Acekool Twin Metal Daybed with Trundle - Industrial-Design Steel Frame, Space-Saving Sleeper Sofa, No Box Spring Needed, Purple Finish

KIGFTSOD Modern Canopy Bed with Tall Velvet Fabric Upholstered Headboard Metal 4-Poster Bed Frame, Box Spring Needed

Full Size Wood Platform Bed with Twin Trundle, Headboard & Footboard, No Box Spring Needed,

Twin Daybed with Trundle, Daybed Frame with Pullout Trundle 6 Casters, Steel Slat Support Guest Sofa Bed, Apartment, No Box Spring Needed

Velvet Bed Frame, 50.2" Tall Headboard & Footboard, Upholstered Platform Bed with Nailhead Trim, No Box Spring Needed

VECELO Upholstered Crown-Shaped Kids Bed Frame Wooden Platform Bed with Adjustable Headboard, No Box Spring Needed

Mastgoal Full Size Bed Frame with 51" Tall Headboard, 20" Roman Footboard, 2 Large Storage Drawers, No Box Spring Needed

Evans Platform Bed Black - ClickDecor

homfan Bed Frame, Velvet Upholstered Bed Frame with Button Wingback Headboard, Metal Frame with No Box Spring Needed

Full Size Bed Frame with Adjustable Headboard, Fast-charging USB Port, Upholstered Platform, LED Lights, No Box Spring Needed, Beige

14-Inch Metal Twin Bed Frame, Low Profile Platform Bed, Heavy Duty Mattress Foundation, No Box Spring Needed, Easy Assembly - Matte Black

2 Piece Twin Bed Frame with Storage Headboard, Velvet Upholstered Platform Bedframe for Boy ,Strong Wooden Slats, Noise-Free, No Box Spring Needed

Coucheta Twin Size Wood Platform Bed Frame - Solid Wood Construction, Low Profile Minimalist Design, No Box Spring Needed, Burlywood

Full Size Bed Frame with 2 Storage Drawers, Wooden Slat Support, Noise Free, No Box Spring Needed, Vintage Velvet Upholstered Bedframe

PAGED Modern Wooden Platform Bed, Twin Size Bed Frame with Headboard and Footboard for Bedroom, No Box Spring Needed

Full Size Bed Frame , Upholstered Platform Bed with Headboard and Soft Fabric, Mattress Foundation,No Box Spring Needed,Easy Assembly

6 Inch King Size Metal Platform Bed Frame with Wavy Pattern, King Bed Frame with Steel Slat Support, No Box Spring Needed

Whizmax Two Size Platform Bed Frame with 2 Storage Drawers, Fabric Upholstered, No Box Spring Needed, Noise Free, Easy Assembly, Gray

VASIP Queen Upholstered Platform Bed with Storage Drawers & LED Lights - 4 Built-in Drawers, No Box Spring Needed, Space-Saving Design (Gray)

Wood Platform Bed Frame,Wooden Bed Frame Without Headboard, Wood Slat Support,No Box Spring Needed, Easy Assembly

Full Size Upholstered Daybed, Tufted Sofa Bed Frame w/Trundle, Corner Day Beds Full for Living Room, Bedroom & Guest Room, No Box Spring Needed Ivory

Full/Queen Size Upholstered Platform Bed Frame, Bed Frame with Adjustable Button-Tufted Wing Back Headboard, No Box Spring Needed

Bed Frame with Wood Headboard and Footboard, with Under Bed Storage, 6 Inch High, No Box Spring Needed

Metal Bed Frame Queen- 16 Inch Heavy-Duty Twin Platform Bed Frame No Box Spring Needed, Easy Assembly, Noise-Free, Sturdy Mattress Foundation