Mainstays Upholstered Platform Bed, Queen DURABLY DESIGNED - Interior steel framework and dense foam padding add comfort and longevity NO BOX SPRING NEEDED - Durable metal slats support and extend the life of your latex, memory foam or spring mattress without the need for a box spring HEIGHT ADJUSTABLE HEADBOARD - From 38" to 42" height for different mattress thickness All parts, tools and instructions you’ll need to build the bed Queen size supports a maximum weight capacity of 700 lbs 82 L x 63 W x 42 H Inches Age Group: Adult, Universal. Mattress sold separately