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How Big is a Mattress in a Box? The Definitive Guide

From the Puffy Editorial Team | 3 min read.
How Big is a Mattress in a Box? The Definitive Guide

The revolution of the mattress-in-a-box has made selecting a new sleep companion almost as easy as swiping right. But here’s the plot twist: How big is the mattress when it’s still in its box?

Before you hit the “Add to Cart” button, let’s dive into the compressed world of boxed mattresses and their sizes. Because size does matter - especially when it’s coming through your front door.

Table of Contents

What is a Mattress in a Box?

A mattress-in-a-box is essentially a mattress compressed, vacuum-sealed, rolled, and packed into a manageable box. Whether it's foam, hybrid, or innerspring, these compacted mattresses offer the same comfort and support as their non-boxed counterparts, only with the added convenience of easier transportation and setup.

How Big is the Box for a Mattress in a Box?

Despite containing a full-size mattress, the boxes are surprisingly small. Most boxes range from a compact cubic shape to a slightly rectangular form, measuring around 16” x 16” x 40”. These dimensions can vary based on the type and size of the mattress, but they're designed to be manageable enough to fit through narrow staircases and doorways.

How Does Box Size Affect Shipping Costs? The more compact the box, the cheaper the shipping costs. This is a win-win situation for both the company and you, as you often get free shipping as a result.

How Big is a Queen Mattress in a Box?

Ah, the queen, the size that reigns supreme in most households. Once expanded, a standard queen mattress measures 60” x 80”. In the box, however, the dimensions are much more compact, with most boxes averaging around 18” x 18” x 41”.

Queen vs. King: What’s the Box Size Difference? For those who go big and opt for a king, you might wonder how much larger the box is. Generally, a king-sized mattress will come in a box with dimensions around 20” x 20” x 42”.

How Big is a Full-Size Mattress in a Box?

Looking for something a bit smaller? A full-size mattress in a box typically comes with dimensions of 16” x 16” x 40” – similar to the size of the box for a queen mattress. Once expanded, a full-size mattress will measure 53” x 75”.

King vs California King: Size in a Box

In case you’re wondering if California dreams come in larger packages, a California king is slightly more elongated but generally comes in a box similar in size to a standard king mattress.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

Why Size Matters

Size matters not just for fitting the mattress through your front door, but also for storage. If you’re moving and need to store your mattress for a short period, keeping the box can be incredibly convenient.

Factors Affecting Box Dimensions

Different factors can affect the dimensions of a mattress in a box, such as:

  • Material Density: Denser materials, like high-density memory foam or latex, may result in a heavier and slightly larger box.
  • Spring Coils: Hybrid mattresses with spring coils will likely be heavier but may not necessarily result in a larger box.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.


Navigating the world of mattresses in a box can seem daunting, but armed with this guide, you'll know exactly what to expect in terms of size - both in and out of the box. So go ahead, click that "Add to Cart" button with confidence because your perfect sleep is just a small, manageable box away.

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