Mattress in a Box

A mattress in a box is a full-sized mattress that’s been compressed, rolled, and packaged for easy shipping. Once delivered, you simply unbox it, unroll it, and let it expand to its full shape (typically within a few hours). It’s a convenient, hassle-free way to get a high-quality mattress delivered right to your door without the need for in-store shopping or complicated setup.

A Casper bed in a box combines convenience with thoughtfully engineered comfort. Each mattress is crafted with premium materials and ergonomic support to suit a wide range of sleep styles, then shipped straight to your door for easy setup. Plus, you can sleep with confidence thanks to Casper’s 100-night sleep trial, giving you time to make sure it’s the right fit, and a 10-year warranty that backs long-lasting quality and durability. Shop Casper mattress in a box, available in every size and multiple firmness levels.

After unboxing, most mattresses begin expanding right away and are ready to sleep on within a few hours. However, it can take up to 24 to 48 hours for your mattress to fully expand and reach its optimal firmness and feel.

Yes, modern mattress in a box designs, like Casper’s, are built with advanced foam layers and ergonomic support systems to provide the right balance of comfort and alignment. They’re designed to suit a variety of sleep positions, helping reduce pressure points while supporting your body throughout the night.