Mainstays 14" Heavy Duty Slat Platform Bed Frame, Black Steel: Durable heavy-duty steel for a long life of reliable support under innerspring, memory foam, and combination mattresses to stand up to wear and tear Featuring classic black steel finish sure to complement any decor Fast and easy to assemble with all tools required for set-up Eliminates the need for a box spring; can be used with just a mattress Unique metal slats keep your mattress secure and in place Designed with capped feet to ensure no damage occurs to your floor Ideal for use in a guest bedroom, adult, child or teen bedroom, or in your master bedroom Assembled Product Dimensions: Twin dimensions: 75" x 39" x 14", supports up to 600 lbs. Full dimensions: 75" x 54" x 14", supports up to 1200 lbs. Queen dimensions: 80" x 60" x 14", supports up to 1200 lbs. King dimensions: 80" x 76" x 14", supports up to 1200 lbs. This item may be packaged in large boxes that may not fit in a standard-sized vehicle. Please make sure you have a large car or truck for store pickup Shipping Product Dimensions: Twin Shipping dimensions: 40.2" x 8.3" x 4.3" Twin Shipping weight: 33.1 lbs. Full Shipping dimensions: 40.2" x 9.1" x 7.5" Full Shipping weight: 47.8 lbs. Queen Shipping dimensions: 42.1" x 9.1" x 7.5" Queen Shipping weight: 51.2 lbs. King Shipping dimensions: 42.1" x 9.1" x 7.5" King Shipping weight: 57.7 lbs.