Sets up easily in seconds An innovative design allows the box spring to easily fold up for storage and transport when not in use Provides ultra-sturdy support for any innerspring, memory foam, or combination mattress. Mainstays brand Features a 100% polyester jacquard cover Constructed with a durable powder coated steel frame for a long life and reliable use Easy to assemble with no tools required Available in Twin, Twin XL, Full, Queen, King, and California King sizes Twin and Twin XL can support up to 600 lbs. total weight capacity Full, Queen, King, and California King can support up to 1200 lbs. total weight capacity Mattresses and bed frames sold separately Please see our assortment of mattresses Assembled Product Dimensions: Twin dimensions: 74" x 38" x 5"H - 23.83 lbs. Twin XL dimensions: 79" x 38" x 5"H - 24.43 lbs. Full dimensions: 74" x 53" x 5"H - 34 lbs. Queen dimensions: 79" x 59" x 5"H - 37.4 lbs. King dimensions: 79" x 75" x 5"H - 44.58 lbs. California King dimensions: 83" x 71" x 5"H - 43.63 lbs. Shipping Product Dimensions: Twin shipping dimensions: 41.3" x 11.2" x 6.1" - 27.64 lbs. Twin XL shipping dimensions: 42.1" x 10.8" x 6.1" - 28.13 lbs. Full shipping dimensions: 56.3" x 11.2" x 6.1" - 38.8 lbs. Queen shipping dimensions: 62.4" x 11.2" x 6.1" - 42.6 lbs. King shipping dimensions: 78.5" x 11.2" x 6.1" - 50.42 lbs. California King shipping dimensions: 74" x 11.2" x 6.1" - 48.6 lbs.