Eternal Foundation

Even better than a box spring, our foundation is quick and easy to assemble, and provides the lasting support your Eternal mattress needs.

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The Eternal Foundation is a boxspring alternative, compatible with all mattress types and made to fit on a bed frame. Put together in three speedy steps and no tools necessary.

Features & benefits:
  • Sturdy base made upholstered charcoal grey fabric exterior
  • Pieces are lightweight and made for easy assembly
  • Fast, no-tools-required assembly - takes less than 15 minutes to put together or take apart
  • A sturdy foundation for your mattress.
  • Designed and assembled in the USA.


  • Spot clean as needed with warm water and gentle detergent.
Cal King83"71"7.25"68 lbs
King79"75.5"7.25"76 lbs
Queen79"59.5"7.25"60 lbs
Full74"52.5"7.25"55 lbs
Twin XL79"37.5"7.25"49 lbs
Twin74"37.5"7.25"45 lbs
Yes. The Eternal Foundation is essentially a sturdier box spring for your mattress.
The Eternal Mattress is sold separately from our Eternal Foundation ( studier box spring). To ensure the longevity of your mattress, you will want to use sturdy foundation. Our own Eternal Foundation can be purchased as an add on when checking out. We recommend using one of the following if you do not purchase our Eternal Foundation: A solid box spring / foundation A solid platform A slatted base"
The Eternal Foundation is specifically designed for easy care. Spot clean as needed with warm water and gentle detergent.
Our foundation is a box spring alternative and does not include a bed frame or legs.
Made with spruce lumber and a gray fabric finish over the slats and outer rails.
2 upholstered end rails. 2 upholstered side rails. 1 center support for Twin-Queen, 2 for King. 4 Fast-Loc pins. 2 slat packs (6 per pack)

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