The Opal is a Wise Choice and a Terrific Investment in a Better Night's Sleep!

Your Groupon voucher code is good for up to $1,150.00 Off the Twin mattress you have chosen.
The cost of your Opal is $0

To redeem your voucher, click "ADD TO CART", below, and apply your voucher code on the checkout page. Only one voucher may be used on each order. If you purchased multiple vouchers, you will need to create separate orders for each. The mattress price shown will be reduced by the $1,150.00 voucher amount, after the application of your Groupon during checkout. Several states require us to collect tax. If applicable, tax will be calculated on the original cost of your Groupon voucher and any upgrade(s) selected.
If you need additional information, please email

8.5" Belize Gel Cal King Mattress Choice

8.5" Belize Gel Cal King Mattress Choice

AvailabilityIn stock

The Nature’s Sleep Belize Gel Memory foam mattress is our newest introduction using Superior Gel Composite Technology. This new process brings you the very best in Memory foam and Gel Infused foam at a value price. We have taken our best designs, a plush quilted memory foam sleeping surface over a Gel infused memory foam layer giving you support, comfort and a cool pressure free night’s rest. A 310gram cover is soft, supple and durable for a perfect finish to a nearly perfect mattress.

Features & Benefits

  • Rated Comfort: Medium-Firm
  • Proprietary combination of Nature’s Sleep Visco Memory Foam and SGT Gel Memory Foam
  • Unique Gel Spheres capture heat for cool comfort
  • 310gm Rayon-poly cover diamond quilted to add comfort, style and durability, with tan microsuede sides
  • Pressure relieving comfort from edge to edge for optimal support
  • Naturally conforms to your body weight and temperature
  • Evenly distributes weight to relieve pressure points and reduce pain for a better night’s sleep
  • Ideal mattress for those that suffer from illnesses that cause sleeplessness
  • Provides a moderately Plush feel and ideal supportive feel
  • Free Shipping
  • This Memory Foam Mattress is Eco-Friendly and CertiPUR-US® approved
More Information
Specifications & Other Info


  • Profile Height: 8.5"
  • Dimensions: 72" W x 84" L
  • 1/4" Super Soft Foam
  • Proprietary combination of 7/8" Next Generation visco memory foam in quilted top
  • 2" Proprietary Nature’s Sleep Superior Gel Technology Gel Infused Aerated Memory Foam
  • 5⅜" High Density Foam Core adds Natural Support
  • 310gm Rayon-poly cover diamond quilted to add comfort, style and durability, with tan microsuede sides.
  • Cover is anti-microbial with a non-skid bottom and can be zippered off and washed
  • CertiPUR-US® approved.
  • All product sizes shown are approximate.

CertiPur-US Certified

Other Info

5 Year Limited Warranty
Shipping & Handling is Free
Ships within 1-2 business days
Manufacturer by Nature's Sleep, LLC
Designed in the USA
Made in China
All product sizes shown are approximate.
Product coverings may vary from product photographs.

Still have additional questions? View our Frequently Asked Questions page