Mainstays 7 Easy Assembly Smart Box Spring, Twin - open_box
Place Order Online and Pick up At Store
You can also have your order delivered for an additional charge, or visit the store to complete your purchase.
Condition Note:
Product is Brand New - The packaging may be opened or damaged – Product is tested and is brand new
Description:
Set yourself up for a great night's sleep with the Mainstays 7" White 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 7" 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 sizes to create the perfect sleeping platform in any bedroom.
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Mainstays 7" Easy Assembly Smart Box Spring, Twin:
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
Features a 100% polyester jacquard cover
Constructed with a durable powder coated steel frame for a long life of 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
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Twin dimensions: 74" x 38" x 7"H - 26.54 lbs.
Twin XL dimensions: 79" x 38" x 7"H - 26.92 lbs.
Full dimensions: 74" x 53" x 7"H - 35.71 lbs.
Queen dimensions: 79" x 59" x 7"H - 39.15 lbs.
King dimensions: 79" x 75" x 7"H - 45.01 lbs.
California King dimensions: 83" x 71" x 7"H - 44.22 lbs.
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Twin shipping dimensions: 41.34" x 11.61" x 8.7" - 29.87 lbs.
Twin XL shipping dimensions: 41.34" x 11.61" x 8.7" - 30.25 lbs.
Full shipping dimensions: 56.3" x 12.80" x 8.07" - 40.01 lbs.
Queen shipping dimensions: 62.80" x 12.8" x 8.07" - 43.83 lbs.
King shipping dimensions: 78.94" x 11.2" x 8.07" - 50.62 lbs.
California King shipping dimensions: 74.41" x 11.2" x 8.07" - 50.04 lbs.
Financing
We offer financing through our trusted partner Acima.
✅ 95% approval rate – no credit check required.
✅ Up to 3 months no-interest payments when you finance with Acima.
Returns & warranty
All items are eligible for a 7-day return if there is a reasonable issue.
Large furniture can only be returned if it is still boxed. Furniture that has been assembled and purchased as-is after customer inspection cannot be returned.
Appliances have a 30-day return period.
Extended warranties (1–4 years) on appliances are available through .
