do you need a box spring with a sealy mattress

COZONY Twin Bed Frame with Upholstered Headboard, Metal Platform Bed with Arched Design and Under-Bed Storage, No Box Spring Needed

FONTOI Twin Bed Frame Heavy Duty Metal Bed Frame Simple Sturdy Beds for Bedroom, Guest Room, Kid Room, No Box Spring Needed, Black, 75"* 38"*14"

Queen Size Bed Frame with Storage Headboard, Industrial Queen Platform Bed with 2 Large Drawers and Charging Station, No Box Spring Needed Noise Free

KTMBDW Full Size/Queen Size Retro Style Wood Platform Bed Frame with Headboard,Footboard,and Wooden Slat Support, No Box Spring Needed

SEVOBAL Kids Bedroom Twin Floor Bed Frame With Fence Montessori Wooden Design No Box Spring Needed for Bedroom Playroom, Brown, 78.94"*13.78"*6.5"

TIRAMISUBEST Full Size Upholstered Storage Daybed with 2 Drawers, Linen Fabric Sofa Bed Frame with No Box Spring Needed

Queen Size Bed Frame with 2 Storage Drawers, Upholstered Headboard, Metal Slats Support, Noise-Free Design, Easy Assembly, No Box Spring Needed

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

Acme Furniture Gaines 86" King Bed White High Gloss: Faux Shearling, No Box Spring Needed, Tufted Headboard

Safstar Twin Size Bed Frame w/Headboard Under-Bed Space No Box Spring Needed

Sapphtopaz Grounded Queen Size Bed Frame with Pleated Headboard Upholstered Platform Bed with Chenille Fabric for Bedroom, No Box Spring Needed

Loft Bed Twin Size, Heavy Duty Metal Loft Bed Frame with Arched Guardrail and Safety Ladder, Space-Saving, No Box Spring Needed

Sapphtopaz Twin Platform Bed with Headboard Wood Bed Frames with Slats Support for Bedroom, No Box Spring Needed

Empire DigiLabs Twin Platform Bed Frame with 4 Drawers and Storage Headboard for Kids/Teens Bedroom, Beds with Guardrails, No Box Spring Needed

Okak Stylish Upholstered Corduroy Bed Frame with High Headboard,Modern Minimalsit Master Bedroom Bed,No Box Spring Needed

Twin Loft Bed with Stairs & Arched Guardrail, Metal Platform Bed with Strong Slats, Space-Saving, Noise-Free, No Box Spring Needed, Kids & Dorm Room

Metal Platform Bed Frame, with Wooden Headboard and 2 Storage Drawers, Heavy Duty Strong Support, No Box Spring Needed, Brown

Queen/Full Size Bed Frame w/Natural Rattan Headboard and Footboard No Box Spring Needed

Twin Bed Frame with Storage Bookcase Headboard and Height Adjustable ,Upholstered Platform Bed Frame Noise-Free, Easy Assembly, No Box Spring Needed

Mshliw Twin Size Upholstered Platform Bed with Guardrail, USB & Type-C Charging Station, Solid Wood Frame, No Box Spring Needed

RISOKEYS Daybed with A Roll-Out Trundle,Upholstered Twin Size Button-Tufted Sofa Daybed Frame,No Box Spring Needed,for Bedroom Living Room

Nasitip Wood Bed Frame, Floor Standing Bed Frame with Wooden Slat,No Box Spring Needed,Modern Minimalist Bedroom Furniture for Apartments, Dorms

Twin Yorkville Daybed White/Aqua - Dual Comfort: Modern Upholstered Linen, No Box Spring Needed

Boucle Upholstered Platform Bed Frame w/ Round Headboard & 2 Storage Drawers, Twin/Full Size, No Box Spring Needed