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Rally Plush Hybrid Cool Copper Gel by Diamond Mattress

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After you complete your purchase you will be contacted to schedule your desired date of delivery.

Product Origin Proudly designed and manufactured in Los Angeles, CA
Product Features & Specifications

Advanced technology for high-performance sleep. Enjoy a weightless feel and orthopedic support, with our exclusive Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam that provides precise body contouring. Covered with a sleek and stylish performance cooling fabric and available in both all-foam and hybrid options.

  • Cool Touch Temperature Performance Fabric
  • Cool Copper Memory Foam
  • CertiPUR-US Certified High-Density foam (higher density than the industry standard)
  • Buoyant transition layer
  • Orthopedic support layer
  • Recommended for side sleepers and back sleepers who enjoy a softer feel.
  • Bed in a box
Available Sizes & Dimensions


38" x 75" x 12"

Twin XL

38" x 80" x 12"


54" x 75" x 12"


60" x 80" x 12"


76" x 80" x 12"

CA King

72" x 84" x 12"

Shipping Details Los Angeles Mattress Stores offers free White Glove Delivery service for customers within Los Angeles County. This service includes the indoor delivery and setup of your online or in-store purchase, as well as the removal and disposal of all packaging debris. Someone must be present to accept the delivery. If you are located in a surrounding county, you may be subject to an additional fee for this service. Additional services or arrangements may also be subject to added fees
Comfort Guarantee
120 Night Sleep Trial

All the foams in this mattress have environmental certifications that ensure they are safe and non-toxic. Our polyurethane foams (memory foam, transition foam, and poly support foam) are CertiPUR certified.

CertiPUR-US® approved foams are made without ozone depleters, PBDE flame retardants, mercury, lead and other heavy metals, formaldehyde, phthalates regulated by the Consumer Product Safety Commission. They are Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million).

Warranty 20-year limited warranty. Read More

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