• Healthy Beds Rx4 12-inch all-foam queen mattress from Sleep in Mattress Inc., showing the mattress laid flat on the floor.
  • Healthy Beds Rx4 12-inch all-foam queen mattress from Sleep in Mattress Inc., showing the mattress laid flat on the floor.
  • All-foam queen mattress from Sleep in Mattress Inc.’s Healthy Beds Rx4 collection, displayed as a floor model showing soft surface and plush top.
  • Healthy Beds Rx4 12-inch all-foam queen mattress from Sleep in Mattress Inc., shown as a floor model with plush surface and foam layers.
  • Healthy Beds Rx4 12-inch all-foam queen mattress from Sleep in Mattress Inc., shown as a floor model with a plush surface.

Healthy Beds Rx4 12" All-foam Mattress Collection

$698.00
$898.00
$698.00
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Proudly Custom-Made in Canada | Available to Order

The Healthy Beds Rx 4 Mattress is a medium-firm all-foam mattress designed for sleepers who want steady support, cooling comfort, and hygienic materials in a streamlined profile. Featuring a Coolmax® stretch fabric cover and copper-infused foam, it helps regulate temperature while maintaining a clean and fresh sleep surface. The high-density soy foam core delivers durable, consistent support, making the Rx 4 an excellent option for back and combination sleepers seeking balanced firmness and long-lasting comfort.
Estimated Delivery Times
GTA: 2–4 weeks, Ontario & Quebec: 3–6 weeks, all other areas: 4–8 weeks
For more details on delivery, special orders, pre-orders or white-glove service: 📞 Toll-Free: 1-877-212-6078 📧 Contact us by email support@castleup.ca anytime.
Special order, pre-orders and custom items may have different ETAs based on availability, production, and delivery location.
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The Healthy Beds Rx 4 Mattress is a medium-firm all-foam mattress designed for sleepers who want steady support, cooling comfort, and hygienic materials in a streamlined profile. Featuring a Coolmax® stretch fabric cover and copper-infused foam, it helps regulate temperature while maintaining a clean and fresh sleep surface. The high-density soy foam core delivers durable, consistent support, making the Rx 4 an excellent option for back and combination sleepers seeking balanced firmness and long-lasting comfort.

Key Features

  • Coolmax® Stretch Fabric Cover for enhanced airflow and temperature regulation
  • Two-Tone Designer Zipper Cover for a modern, premium look
  • Full Layer of Anti-Microbial Copper-Infused Foam to help promote a cleaner sleep environment
  • 3" Breathable Open-Cell Comfort Foam for pressure relief and airflow
  • 8" Medium-Firm High-Density Soy Foam Core for stable, long-lasting support
  • Medium-Firm Comfort Feel ideal for proper spinal alignment
  • Durable All-Foam Construction for motion isolation and quiet sleep
  • CertiPUR-US® Certified Foams for safety and quality assurance
  • Adjustable Base Friendly design

Dimensions

  • Twin: 38" W x 75" L
  • Twin XL: 38" W x 80" L
  • Full: 54" W x 75" L
  • Queen: 60" W x 80" L
  • King: 76" W x 80" L
Included Manufacturer Warranty

Most furniture products include a default 1-year manufacturer warranty covering manufacturing defects. Mattresses include a 5–15 year manufacturer warranty, depending on the brand.

Available Protection Plans

We offer multiple furniture warranty protection options, including:

  • Stain+ Protection Plan
    Helps protect against everyday accidental stains and surface damage.
  • Gold Protection Plan
    Enhanced coverage with extended protection and repair support for qualifying accidental damage.

For more details about available warranty protection plans, please call us at (905) 673-7263.

We partner with trusted delivery teams to provide professional white-glove delivery, setup, and assembly services across Canada.

Ontario White Glove Service

Flat-rate installation service starting at $129 on most larger items, including:

  • Sofas & Sectionals
  • Lounge Chairs
  • Sideboards & Cabinets
  • Dining Tables
  • Beds & Bedroom Furniture
  • Other products requiring assembly

For deliveries outside Ontario, white-glove service fees may vary by province and location.

What’s Included

  • Scheduled in-home delivery
  • Delivery to your room of choice
  • Careful unboxing and inspection
  • Professional assembly when required
  • Removal and disposal of packaging materials

Please note: Lighting fixture and artwork installation are not included.

Delivery Scheduling

Once your order arrives in your local service area, the delivery team will contact you directly to arrange a convenient delivery date and time.

Before Your Delivery

To help ensure a smooth delivery experience, please:

  • Clear hallways, staircases, and placement areas
  • Reserve elevators in advance for condos or apartments
  • Verify product dimensions on our website to ensure the item fits your space

Additional Delivery & Service Information

For health and safety reasons, our delivery team reserves the right to refuse pickup of any product that is not in a clean and sanitary condition.

If a pickup must be rescheduled after the product has been properly cleaned, an additional delivery service fee will apply.

Please note:

  • Removal of old furniture and mattresses is not included with our white-glove delivery service.
  • Customers are responsible for arranging disposal or removal of existing items unless otherwise specified.

Experience convenient, stress-free furniture delivery with professional setup from CastleUp Experience Centre.

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