Description
Mainstays 5″ Jacquard Smart Steel Box Spring Mattress Foundation – Twin / Queen / King
- Easy Setup: Sets up easily in seconds with no tools required.
- Innovative Design: Folds up for convenient storage and transport when not in use.
- Ultra-Sturdy Support: Provides strong support for any innerspring, memory foam, or combination mattress.
- Durable Construction: Made with a powder-coated steel frame and 100% polyester jacquard cover for long-lasting use.
- Size Options: Available in Twin, Queen, King, sizes.
- Weight Capacity: Twin support up to 600 lbs; Full, Queen, King, support up to 1200 lbs.
- Dimensions: Queen dimensions: 79″ x 59″ x 5″H – 37.4 lbs; Shipping dimensions: 62.4″ x 11.2″ x 6.1″ – 42.6 lbs.
Set yourself up for a great night’s sleep with the Mainstays 5″ White Jacquard Smart Box Spring. Offers the look and functionality of a traditional box spring but made from steel providing ultra-sturdy support for any innerspring, memory foam or combination mattress, features a 100% polyester jacquard covering that prevents shifting. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. The Mainstays 5″ White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King.
- 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.
- Queen dimensions: 79″ x 59″ x 5″H – 37.4 lbs.
- King dimensions: 79″ x 75″ x 5″H – 44.58 lbs.
- Shipping Product Dimensions:
- Twin shipping dimensions: 41.3″ x 11.2″ x 6.1″ – 27.64 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.


























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