Skip to main content

Menu

MattressMatcher®
Track My Order
(877) 384-2903
(877) 384-2903
cart
MattressMatcher®
MattressesSale & ClearanceBox Springs & Bed BasesPillowsBeddingFurniture & MoreBrandsFind A Store
#1 Tempur-Pedic® Retailer

Online Mattress in a Box

Shop Online Mattress in a Box options at Mattress Firm to find a mattress that fits your space, sleep preferences and budget. Explore available sizes and styles, then order online for a simple way to shop for your next mattress.

Show More

Sort & Filter

clearance
By Sealy Medium Euro Top Mattress
labor day deal
By Sealy Skye Hybrid Mattress
clearance
PressureSmart 2.0 Firm 11" Mattress
clearance
PressureSmart 2.0 Plush Pillow Top 13.75" Mattress
labor day deal
Silver BRS900 11.75" Extra Firm Mattress
Silver BRS900 11.75" Medium Firm Mattress
Peak 2.0 12" Memory Foam Mattress
labor day deal
By Sealy Memory Foam Medium Mattress
clearance
Basic Memory Foam Firm Mattress
labor day deal
By Sealy Memory Foam Plush Mattress
labor day deal
Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress
Basic Foam Mattress
clearance
Greenwood 10.5" Firm Mattress
labor day deal
Perfect Sleeper Sleep Excellence Medium PillowTop Mattress
labor day deal
BR800 13.5" Plush Pillow Top Mattress
clearance
PressureSmart 2.0 Hybrid Medium 13" Mattress
BR800 11.25" Firm Mattress
clearance
Perfect Sleeper Sleep Excellence Plush Mattress
clearance
Essentials Sudley 8.5" Firm Mattress
labor day deal
Bamboo 10" Medium Green Tea Memory Foam Mattress
labor day deal
Bamboo 12" Medium Plush Green Tea Memory Foam Mattress
labor day deal
BR800 13.5" Medium Pillow Top Mattress
labor day deal
Bamboo 8" Medium Green Tea Memory Foam Mattress
limited deal
Original Mattress
labor day deal
By Sealy Slumber Cushion Firm Mattress
Essentials Winter Green 13" Plush Euro Pillow Top Mattress
Shopping for an online mattress in a box makes it easier to compare comfort, materials, sizes and prices from home. Instead of arranging transportation for a full-size mattress, you can have a compressed mattress delivered in a manageable package, then move it to the bedroom before opening it. This can be especially useful when you live in an apartment, have narrow stairways or are furnishing a room without help. It can also simplify a move, a guest-room refresh or the process of preparing a college bedroom, vacation home or first apartment. Once the package arrives, carry it to the room where it will be used, carefully remove the outer wrapping and allow the mattress to expand according to the manufacturer’s instructions. Some mattresses feel ready after a few hours, while others need more time to reach their intended height and shape. A new-mattress scent can also be noticeable at first, particularly with foam materials. Ventilating the room and giving the mattress the recommended expansion period can help the smell fade before you add sheets and bedding. Always review the care instructions, materials label and safety information before opening the package, and never cut into the mattress itself. A suitable bed frame or foundation matters, too. Check the product requirements for slat spacing, center support and weight capacity so the mattress can rest evenly and perform as intended.

The best online mattress in a box for one sleeper may not be the right fit for another, so start with the way you sleep and the comfort you want to feel when you settle in. Side sleepers often prefer a surface with enough cushioning to ease pressure around the shoulders and hips, while back sleepers may appreciate balanced contouring with steady support through the middle of the body. Stomach sleepers commonly look for a firmer feel that helps prevent the hips from sinking too far. If two people share a bed, consider motion isolation, edge support and temperature preferences in addition to firmness. All-foam designs are often appealing to couples who want less movement to travel across the surface, while hybrid designs combine foam comfort layers with individually wrapped coils for a blend of pressure relief, airflow and responsive support. Memory foam can create a gently cradled feeling that makes it easier to stay settled in one position, although some sleepers prefer the buoyant feel of coils or a more responsive foam layer. People who tend to sleep warm may want to compare breathable covers, ventilated foam, cooling fibers and coil systems that allow air to move through the mattress. These features can improve the feel of the sleep surface, but no material can guarantee the same temperature experience for every sleeper. Body weight, bedroom temperature, pajamas, sheets and personal preference all play a part. For additional options, explore Memory Foam Mattresses In A Box to compare compressed mattresses designed around contouring comfort and convenient delivery.

Before placing an order, confirm the size, height, firmness description, construction and included components. Mattress sizes follow familiar standards, but exact dimensions can vary slightly, and a thicker mattress may require deeper fitted sheets or change the overall height of the bed. Make sure the chosen size works with the frame, headboard and available walking space. Read the delivery details carefully, including whether the package will be left at the door, delivered to a room or brought inside only under certain conditions. It helps to plan for the package before it arrives: clear a path, protect delicate flooring and have another person available if the carton is heavy. Online mattress sellers commonly provide a sleep trial, but trial lengths, eligibility requirements, return procedures and fees differ. Many trials last 100 to 180 nights, giving sleepers time to move beyond the first-night impression and decide whether the comfort and support remain suitable. Keep the original order information, follow the required break-in period and review the return policy before buying. Some returns involve pickup or donation coordination, while others may require different steps. A warranty can cover manufacturing defects, but it generally does not cover normal softening, comfort preference or damage caused by an unsuitable foundation. Inspect the mattress when it arrives and contact the retailer promptly if the packaging or product appears damaged. An online mattress in a box can be a thoughtful gift for someone setting up a new home, welcoming a guest or replacing an old sleep surface, especially when the recipient can choose the size and comfort feel. For a personal purchase, give yourself several nights to notice how your body responds. The first morning may feel different simply because the mattress is new; over time, the right choice should provide dependable support, comfortable pressure relief and a more inviting place to rest as the seasons move from warmer days into cooler nights.

FAQ

What is a mattress in a box? + -

A mattress in a box is a mattress compressed and packaged for convenient online shopping and home setup. It typically expands after being removed from its packaging and placed on a bed frame or foundation.

What types of materials are used in mattresses in a box? + -

Mattresses in a box may include memory foam, latex, innerspring coils or a combination of materials. Each construction offers a different feel and level of support.

How do I choose the right mattress in a box? + -

Consider your preferred feel, sleep position, mattress materials and the type of support you enjoy. Reading product details and comparing features can help you narrow down your options.

Can I use a mattress in a box with an adjustable base? + -

Many mattresses in a box are designed to work with adjustable bases, but compatibility can vary. Review the mattress and base specifications before pairing them.

What kind of foundation works with a mattress in a box? + -

A mattress in a box can often be used with a platform bed, slatted foundation, adjustable base or other compatible foundation. Check the product specifications for foundation requirements.

Tap into more savings! Text MATTRESS to 766693 to get text alerts for online exclusives & more. Text STOP to cancel. Msg & data rates may apply.
View our privacy policy