Due to demand, a shipping date cannot be provided at checkout. After you've placed your order, we will send you shipping updates as soon as they are available. Quantities are currently limited to only ONE per customer.
PLEASE NOTE: This product will not ship until January 2023. Quantities are currently limited to ONE per customer. Due to high demand, an exact manufacturer shipping date cannot be specified at this time. After your order is placed, you will receive shipping updates as they become available. Thank you for your patience and understanding.

FlexSleep 12" Medium Copper Gel Infused King Split Premium Memory Foam Mattress/Bed-in-a-Box and FlexSleep 4.0 Adjustable Bed Base

In Stock
Copper Infused Memory Foam
per week *
Cash Price3




The 12" Medium Copper Gel Infused Premium Memory Foam Mattress combines comfort, vitality, and the benefits of copper to your bedroom. Copper is an essential trace mineral found in the liver, brain, heart, kidneys and skeletal muscle. It has numerous health benefits and has been known to increase collagen production, energy levels, iron absorption along with having antimicrobial properties.
The FlexSleep 4.0 Adjustable Bed Base allows you to transform your bedroom into the ultimate sleeping and lounging sanctuary. Ease stress and reduce soreness with preset positions, customizable positions, and dual massage located at the head and foot. Lounging in bed has never been so comfortable and convenient. LED lighting under the bed gently illuminates the surrounding floor making it easier to see at night and easy to reach USB ports keeps your electronics close-by, charged and ready to go. The FlexSleep 4.0 Adjustable Bed Base is changing the way you lounge and sleep.
  • Medium comfort rating: best for back, side, and stomach sleepers
  • 2" of Copper Infused Memory Foam aids in temperature regulation, heat dissipation and feeling rejuvenated
  • 1" Memory Foam creates a comfort layer that contours to the body to relieve pressure points
  • 2" Support Foam acts as a transition layer and reduces motion transfer
  • 7" Flexible Air Channel Base has 1" grooves are cut to circulate air while releasing absorbed heat
  • Patented Edge Support System provides a stable sitting edge, 20% more sleeping surface, and extends the life of the mattress
  • Memory Foam naturally conforms to the body, promoting proper circulation and spinal alignment
  • Machine washable zip-off cover
  • Adjustable legs heights at 6", 9", or 12"
  • Back-up battery power box included
  • Dual massage at the head and/or foot with 3 intensity levels
  • Foot Retainer Bar to keep the mattress in place
  • LED underbed lighting borders the underside of the base for ambient lighting
  • Sync Cables allow for functionality on independent sides, companion side or both sides; required for synchronized movements with solid King and Cal King mattresses
  • Four USB charging ports. Eight for Split King and Split Cal King Sets
Actual Product Weight (lbs.)282
Total Shipping Weight (lbs.)299
Number of Boxes4
Carton Length (in), Box 140
Carton Width (in), Box 118
Carton Height (in), Box 118
Carton Length (in), Box 240
Carton Width (in), Box 218
Carton Height (in), Box 218
Carton Length (in), Box 339.17
Carton Width (in), Box 341.7
Carton Height (in), Box 38
Carton Length (in), Box 441.7
Carton Width (in), Box 48
Carton Height (in), Box 439.17
Delivery TypeSmall Parcel
Warranty Phone Number(800) 723-0316
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