do you need a box spring with a sealy mattress

Bed Frame No Box Spring Needed, Heavy Duty Metal Platform Bed Frame for Bedroom Easy Assembly, Noise Free, Black

CAVINAS Twin XL Size Versatile Floor Bed for Toddlers,Kids Bed with USB Port,Storage Cabinet,Guardrails,Toddler Floor Bed,No Box Spring Needed

Corduroy Upholstered Bed Frame, Platform Bed with 51" Tall Vertical Stripe Wingback Headboard, No Box Spring Needed/Wooden Slats/Noise Free/Beige

KTMBDW Full/Queen/King Size Upholstered Velvet Platform Bed with Tufted Headboard and Ruched, Wood Slat Support, Noise Free&No Box Spring Needed

Bed Frame with Charging Station, Tall Ergonomic Upholstered Headboard and Sturdy Metal Platform, No Box Spring Needed, Easy Assembly.

NicBex Queen Size Upholstered Bed Frame with Corduroy Wingback Headboard,Platform Bed Frame with Metal Legs,No Box Spring Needed,Easy Assembly

AMERLIFE Bed Frame, Velvet Upholstered Platform Sleigh Bed with Scroll Headboard & Footboard, Button Tufted, No Box Spring Needed

NicBex Queen Upholstered Bed Frame with Storage Headboard,Shoe Rack and 4 Drawers,Wood Slats Support,No Box Spring Needed,Easy Assembly,Gray/Espresso

Platform Bed Frame with Charging Station and 4 Drawers, Easy Assembly, No Box Spring Needed, Noise Free

Twin Over Twin Metal Bunk Bed w/ Ladder & 16.6" Guardrail, Space-Saving for Kids/Adults, No Box Spring Needed - Great for Small Spaces

COZONY Twin Purple Metal Daybed with Trundle, Heart-Shaped Backrest, Space Saving Sofa Bed for Guest Room, Durable Steel Frame, No Box Spring Needed

Whizmax Twin Size Metal Platform Bed Frame with Headboard and Footboard, Heavy Duty Mattress Foundation with Steel Slats Support, No Box Spring Needed

CAVINAS Twin Size Platform Bed,Bed Frame with Headboard and Footboard,No Box Spring Needed,Assembly Required,White/Oak

Kumasinova Bed Frame,Heavy Duty Metal Bed Frame,No Noise,No Box Spring Needed,Large Underbed Storage Space,Black

Full Size Bed Frame with Charging Station and 4 Storage Drawers,Metal Platform Bed with Ergonomic Large Storage Headboard, No Box Spring Needed,Brown

TackView Bed Frame with Headboard, Upholstered Platform Bed Frames with Crystal Diamond Tufted, Easy Assembly, No Box Spring Needed

Encino Upholstered Wingback Platform Bed - Threshold™ designed with Studio McGee

NicBex All Size Farmhouse Wooden Bed Frame with Storage Headboard & Charging Station,Modern Platform Bed,No Box Spring Needed

Felisa and Platform Bed - Baxton Studio

Bed Frame with Storage Drawer, Upholstered Platform Bed with Storage Headboard and Charging Station, No Box Spring Needed, Easy Assembly

Full Size Bed Frame with Upholstered Headboard 2-Tier Shelf, Black Velvet Tufted Platform Bedframe with 4 Storage Drawers, No Box Spring Needed

KWPZQE Platform Bed Frame with Velvet Upholstered Headboard and Wooden Slats Support, No Box Spring Needed, Easy Assembly

Platform Bed Faux Leather Dark Brown - Sleep Revolution

Full Upholstered Headboard Platform Bed with Bookcase, No Noise, Stable, Easy Assembly Bed Frame, No Box Spring Needed