Mainstays Classic Folding Box Spring

Last updated: April 21, 2023


Made from a heavy-gauge steel, this box spring is not only durable, but also resistant to bed bugs. It comes fully assembled and folds in half for easy transport and storage. A fabric coverlet encases the box spring but is removable for quick cleaning.

Mainstays Classic Folding Box Spring

We looked at the top Box Springs and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Box Spring you should buy.

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Product Details

Key Takeaway: This box spring is an excellent choice for a guest bedroom, as it folds for easy storage when not in use.

In our analysis of 36 expert reviews, the Mainstays Classic Folding Box Spring placed 6th when we looked at the top 7 products in the category. For the full ranking, see below.

From The Manufacturer

Mainstays Half-Fold Steel Box Spring is the ultimate support for all mattresses. It is engineered for durability and made from heavy-gauge premium steel for better endurance and resistance to bed bugs. It folds in half for transport and storage purposes. The box spring is covered in fabric for added support, and has a non-slip fabric surface to stop the mattress from sliding or moving around. No assembly required.

Expert Reviews


What reviewers liked

The frames collapses easily in half if you need to pack up and move. That makes for a fuss-free packing.
Easy to assemble
The structure makes it very durable while the heavy steel gauge gives it strength.
For added support, this unit features a coverlet. The coverlet is easily breathable to enhance air permeability of the mattress.
Its cover is made from a material that's meant to improve a sleeping surface's breathability, and is nonslip to minimize movement, as well as machine washable.
No assembly needed – you can have it ready in five minutes
The foldable function is really helpful.
Doesn’t move easily; great for restless sleepers

What reviewers didn't like

Heavier people can easily damage it by flopping on it regularly
Some said they wished it came with more bars so that it provided more support.
Joints and connections are double stapled
View our Box Spring buying guide for in-depth advice and recommendations.

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