do you need a box spring with a sealy mattress

Twin White Car Bed for Kids, Car Shaped Platform Bed with Wheels, Headboard and Footboard, Toddler Car Bed Slat Support No Box Spring Needed

Bed Frame, Full/Queen/King Size Wood Platform, Noise Free,No Box Spring Needed and Easy Assembly Tool,Large Under Bed Storage,Dark Black

VECELO Victorian Style Metal Platform Bed Frame with Headboard & Footboard, Classic Mattress Foundation with Under-Bed Storage, No Box Spring Needed

King Bed Frame with High Storage Bookcase Headboard, Wood Bed Frame with 4 Storage Drawers, No Box Spring Needed, Metal Frame, Noise-Free, Grey

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

Whizmax Floating Bed Frame, Upholstered Platform Bed Frame with LED Lights and Storage Headboard, No Box Spring Needed, Black

Full Size Bed Frame with Adjustable Headboard - Linen Upholstered Platform Bedframe, Mattress Foundation, No Box Spring Needed, Easy Assembly

Sapphtopaz Modern Bed Frame with Headboard Metal Platform Bed with Charger Station&Slats Support for Bedroom, No Box Spring Needed, Beige

ODK Bed Frame for Kids, Cute Velvet Bed Frame with Upholstered Headboard, Wood Slats & Metal Platform Support, No Box Spring Needed, Noise Free

Upholstered Platform Bed Frame with Diamond Design Fabric Headboard, Solid Wood Slat Support, Non-Slip, Noise-Free, No Box Spring Needed

COZONY Metal Platform Bed Frame with Headboard & Footboard, Heavy-Duty Steel Slat Support, Under-Bed Storage, No Box Spring Needed, Easy Assembly

KWPZQEB Full Bed Frame With Twin Trundles & 2 Drawers, Mid Century Platform Bed Frame with solid Wood Slats, No Box Spring Needed, Easy Assembly,Brown

KWPZQEB Full Size Farmhouse Platform Bed Frame with Wooden Headboard and Footboard, Wooden Slats Support, No Box Spring Needed

NicBex Twin/Full Size Platform Bed Frame with Headboard and Footboard,9.2" Under Bed Storage,Wood Slats Support,No Box Spring Needed,Easy Assembly

Modern Metal Platform Bed Frame with Steel Slats, Tool-Free Assembly. Full, Queen, King Sizes. No Box Spring Needed.

Modern Twin Bed Frame, Comfy Upholstered Platforms Bed with Wood Slat, Led Lights and Charging Station, No Box Spring Needed, Easy Assembly, Beige

NicBex Twin/Full Size Montessori Toddler Floor Bed with House-Shaped Design for Kids/Boys/Girls,Wood Slats Support,No Box Spring Needed,Easy Assembly

WhizMax 14 Inch Twin Bed Frame with Storage,Metal Platform Twin Bed Frame No Box Spring Needed Steel Slat Support Easy Assembly (Twin)

Bed Frame with 4 Storage Drawers and Linen Upholstered Headboard, Charging Station, No Box Spring Needed

Saracina Home Full X Pattern Headboard Bed

Boho Solid Wood Spindle Platform Bed - Saracina Home

Twin/Full/Queen Size Princess Bed Frame with LED Headboard & Storage Drawers, Adjustable Boucle Platform Bed for Girls, No Box Spring Needed

Garvee Queen Size Platform Bed Frame, 14" Heavy Duty Metal Mattress Foundation with 3-in-1 Steel Support, 13" Underbed Storage, No Box Spring Needed

Queen Size Bed Frame, Tufted Upholstered Bed Frame with Headboard & Footboard, Button Tufted and Rivets Decor, No Box Spring Needed