Posh+Lavish Mattresses - 9 inch - Medium, Firm - Certified Natural Latex - 120-Day Trial - 10 Year Limited Warranty

Posh+Lavish Mattresses 20% Off Limited Time Offer

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Posh + Lavish Mattresses Redefining Luxury in Las Vegas and St. George, UT

A good night’s sleep is fundamental to good health and wellbeing. But if you also want to lay down in luxury, look no further than our Posh+Lavish prestige mattresses. Posh + Lavish mattresses represent the pinnacle of luxury and quality craftsmanship. That’s why Best Mattress is proud to be an exclusive retailer of these prestigious mattresses in the Las Vegas area. You won’t find a more exquisitely crafted mattress to gently lull you to sleep.

At Best Mattress, we’re proud to offer you one of the most highly-regarded luxury mattress brands in the country. Every aspect of these hand-crafted mattresses is precision-engineered to give you the best sleep, night after night. One look at a Posh+Lavish mattress and you’ll see the care, dedication, and passion that go into each mattress.  

Natural Luxury

We’re more aware than ever of how our consumer choices affect our planet. You want products built and sourced with sustainability in mind. But your passion for ecological harmony shouldn’t come at the expense of luxury. Fortunately, Posh+Lavish mattresses are both outstanding in craftsmanship and contain the finest natural components. These include:

  • Oeko-Tex certified natural latex rubber for buoyancy and support.
  • Cotton to help maintain the temperature while also keeping unwanted moisture away from your skin.
  • Ethically-sourced wool, nature’s ultimate insulator. Completely free of boric acid and antimony.
  • Moisture absorbent Tencel fabric. A silky-soft material made from wood pulp that uses nanotechnology to create the ultimate in tactile pleasure and absorbency.

These materials come together to give you luxurious comfort and support, all night long.

Finely Hand-Crafted

Every single Posh+Lavish mattress is hand-crafted to meticulously high standards using the very finest organic materials. The expert artisans at Posh + Lavish combine age-old techniques with modern innovations to produce mattresses of unparalleled luxury.

The exquisitely embroidered Tencel-faced fabric outer layer gives a subtle assurance of the luxury and elegance contained within. Beneath the surface, a range of components works in harmony to create a luxurious feel.

Sink into the buoyant and subtly supportive upper layer knowing that your mattress the highest standards in skilled craftmanship. With a generous 20-year warranty, you’ll get a great night’s sleep every night for decades to come.

Come Feel for Yourself at Best Mattress in Las Vegas & St. George, Utah

There are really no words to describe the exquisite look and feel of a Posh+Lavish mattress. Come on down to one of our stores to feel it for yourself.

Experience Posh + Lavish for yourself and you’ll quickly see why these are among the most sought-after mattresses for discerning sleepers.

Visit one of our Las Vegas mattress stores. Come see and feel the unparalleled luxury in the company of our friendly and highly-trained team. Click here to find a store near you.

Why Choose Best Mattress?

Convenience and Service: Enjoy the convenience of same-day delivery for in-stock merchandise and our commitment to excellent customer service, including the removal of your old mattress and box spring with the delivery of your new set

Experience the Luxury: Visit our stores in Las Vegas, Mesquite, and St. George, Utah to feel the unparalleled luxury of Posh+Lavish mattresses. Our friendly and highly-trained team will guide you through our collection, helping you find the perfect match for your sleep needs

120-Day Comfort Guarantee: We stand by the quality and comfort of our mattresses, offering a 120-day comfort guarantee to ensure your complete satisfaction.

At Best Mattress, we are not just selling a mattress; we’re offering a sleep experience that is as luxurious as it is comfortable. Choose Posh+Lavish at Best Mattress, and transform your sleep into a nightly retreat of luxury and relaxation.

120-Day Comfort Guarantee & Shipping

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In-stock merchandise purchased by 1 pm will be delivered the same day upon request, excluding holidays and limited to a geographic area with a minimum purchase of a $599 mattress set. Excludes floor models. See store for details.


The room must be ready for delivery when the drivers arrive.

As a service, we will remove your old mattress and box spring before delivering the new set (subject to inspection, unsanitary bedding will not be removed, limited to equal amount delivered).

As a service, we will remove your old mattress and box spring before delivering the new set (subject to inspection, unsanitary bedding will not be removed, limited to an equal amount delivered).

Delivery cannot be made to a minor and finance orders will require a signature from someone with a valid state-issued ID.

The driver will call the phone number provided on your order on the morning of delivery to give you a three-hour time frame. If you are not home for a delivery, there will be a $69.99 re-delivery fee.

If the driver determines that the delivery attempt could cause damage to your home, you will be required to sign a release of liability to complete the delivery.

Our C.O.D. Policy:

All orders must be paid in full before the delivery date. We do not accept payment at the time of delivery.

10-Year Limited Warranty

Beautyrest stands by its products and materials with limited warranties so you rest easy.

Our-120 Day Sleep Guarantee

If you have owned your mattress for longer than 30 days and you aren't happy with your set, Best Mattress is glad to exchange your mattress for 120 days from the date of purchase. Please see our full terms & conditions here.

Best Mattress also offers FREE REMOVAL* of your old mattress. Our delivery driver will pick up your old mattress and seal it in plastic before loading it onto our truck.

Need financing? We have you covered! Best Mattress offers a variety of options available, including No Credit Check Financing! Please contact us for additional details on all offers.

We appreciate your patience, understanding, and support at this time. Thank you for continuing to be a loyal Best Mattress customer. Sleep Easy, Friends!

Available Bed Sizes

See our mattress sizes and dimensions page.

Twin Bed

39″ X 75″

Twin XL Bed

39″ X 80″

Full Bed

54″ X 75″

Queen Bed

60″ X 80″

King Bed

76″ X 80″

California King Bed

72″ X 84″

Queen Flex Head Bed

60″ X 80″

King Flex Head Bed

76″ X 80″

Cal King Flex Head Bed

72″ X 84″