What Is a Box Spring, and Do You Need One for Your Bed?

Boyd Sleep 2-in-1 Twin Size Metal Box Spring and Bed Frame Combo, Easy Assembly, Legs and Headboard Brackets Included MFP00143TW

ULIESC 9 Inch Twin Box Spring, Twin Size Box Spring Only, Metal Box Spring Twin with Fabric Cover, Sturdy Mattress Foundation, Noise Free, Non-Slip, Easy Assembly

East Urban Home Bed Frame With Rattan Headboard, Queen Bed With Sturdy Metal Frame And No Box Spring Needed, Platform Bed For Bedroom, Guest Room & Reviews | Wayfair

ZINUS Linda Mid Century Wood Platform Bed Frame, Solid Wood Foundation, Wood Slat Support, No Box Spring Needed, Easy Assembly, Twin

KD Frames Nomad Platform Bed - Twin Bed Frame - Unfinished Wood Bed Frame - Minimalist Swedish Design - Natural Wood Bed - Easy Assembly, No Box Spring Needed - Solid Wood Twin Platform Bed