do you need a box spring with a sealy mattress

TiramisuBest Queen Size Lift Storage Bed, Wooden Platform Frame with Grooved Slats, Rustic Brown, No Box Spring Needed, Quiet & Spacious

L-Shaped Twin Loft Bed with 2 Built-in Desks, Solid Wood Frame, Ladder Access, No Box Spring Needed, Gray Finish

Upholstered Platform Bed Frame with Fabric Headboard, Non-Slip and Noise-Free, Slats Support, No Box Spring Needed, Easy Assembly

Bed Frame without Headboard, Metal Platform Bed Frame with 6" Under Bed Storage, Metal Slats Support, No Box Spring Needed, Easy Assemble

Upholstered Full Bed Frame with Wingback Headboard, Velvet Upholstery Platform Bed,No Box Spring Needed

California King Chenille Grounded Beds Frame with 4 Storage Drawers, Upholstered Floor Bed with Headboard and Solid Frame, No Box Spring Needed

FONTOI Twin over Twin Bed with Thick Posts, Bed with Guardrail and Ladder for Kids, Teens, No Box Spring Needed, Brown, 79.4"*61.8"*43.5"

Twin Size Sofa Bed Frame, Linen Fabric Upholstered Daybed with 2 Storage Drawers, No Box Spring Needed - ModernLuxe

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

Jojoka Upholstered Platform Bed Frame with Adjustable Headboard, Diamond Pattern, Wood Slats, Noise-Free, No Box Spring Needed

ORRD Queen Lift Up Storage Bed Frame with Headboard - Rustic Brown Wood Platform Bed, No Box Spring Needed, Space Saving for Bedroom

Mshliw Twin/Queen Metal Platform Bed Frame with Headboard, Sturdy Metal Slats, No Box Spring Needed, Modern Noise-Free Bed Base

Allewie Heavy Duty Platform Bed Frame with Wooden Headboard, 13 Slats, Storage, Easy Assembly

Bunk Bed for Teens and Adults,Space-Saving/Noise Reduced/No Box Spring Needed

Velvet Upholstered Bed Frame with Adjustable Headboard - Wood Slat Support, No Box Spring Needed, Platform Bed with Strong Metal Frame

KTMBDW Twin Size Lift Up Storage Bed, Modern Upholstered Headboard, Hydraulic Support, No Box Spring Needed

KWPZQEB Metal Bed Frame with LED Light, Kids Platform Bed with Upholstered Headboard & Safety Guardrails, No Box Spring Needed, Easy Assembly

Platform Bed Frame with Upholstered Headboard, Wood Slats Support, No Box Spring Needed, Noise-Free & Easy Assembly

Upholstered Lift Up Storage Bed Frame with Headboard, Velvet Platform Bed with Wooden Slats & Metal Frame, Noise Free, No Box Spring Needed

VASIP Metal Bunk Bed Twin Over Twin, Heavy Duty Twin Bunk Beds with shelf and Slatted Support, No Box Spring Needed Black

Jojoka Low Profile Metal Bed Frame, Heavy Duty Platform, Noise-Free, No Box Spring Needed

Full Size Modern Canopy Platform Bed with Trundle, Wood Frame with Headboard, Curtain Rails, No Box Spring Needed

Twin Bed Frame, Upholstered Platform with Fabric Headboard, Non-Slip & Noise-Free, Wooden/Metal Slats Support, No Box Spring Needed, Easy Assembly

White Twin Kids Bed Frame, Upholstered Headboard, Soft Boucle Fabric for Girls and Boys, Noise Free, No Box Spring Needed