The 620 Imperial Plush offers great value and shares the primary benefits of the 675 Imperial: Exceptional comfort with interchangeable replaceable component parts. Our supportive Marshall Individual Coil system conforms to each sleeper’s individual shape better than other spring systems, isolates motion transfer and reduces noise because coils are not wire tied or connected metal to metal. As a result this mattress provides firm support for sleepers of all sizes and shapes better than any other spring system on the market.

You can upgrade your 620 into a 675 by adding latex or memory foam comfort layers. Increase firmness by exchanging the quilted cover for a stretch cover at any time!

• Individual Coil construction provides support by conforming to each sleeper’s size and shape
• Foam encased Individual Coils reduce motion transfer and noise.
• Real foam edge support provides a full width edge to edge sleep surface and seating edge support
• Bed comes completely apart for proper cleaning
• Cover panels and 1” foam encasement reflex overlay are removable, interchangeable and available for separate purchase
• Naturally Anti-Bacterial, our ALOE VERA fabric treatment makes material hygienic and very soft
• Double the comfortable service life of your bed by replacing worn or soiled bed parts instead of replacing the complete mattress.
• Reduce your Environmental Footprint with our Sustainable bed systems: Renew, Reuse, Prevent solid waste

Marshall Coils
Fabric Encased Coil Innersprings

Quilt Top

• Tack & Jump Quilting
• Fire Arrest Fire Retardant Fiber fill barrier
• 1 ½" x ½ Convoluted Super Soft foam
• ½″ Super Soft Foam

Comfort Layers

• 2" Reflex foam top layer
• Elite Insulator Pad

Support system - Innerspring

• Tempered Motion-Reducing “Marshall Individual Coil” spring system
• 744 Queen Coil count

Cover Material 

• Removable and Interchangeable modular zippered cover system 
• Stretch Knit AloeVera treated 300 gram / meter ticking
• Anti bacterial, Anti microbial

High Density Foam Encased Construction

• 4" High Density Real Foam Edge Support 
• 2" Reflex Foam top layer
• 1" HR foam bottom

Box Foundation 

• Solid wood foundation
• Choice of 9", 8" or 4" height

All Sterling Sleep System mattresses meet the 1632, 1633 Federal Flammability Standard (Cal TB603)
US Patents 7,191,384 & 7,386,903
Other Patents Pending

Bed Profile Height:

Mattress Only (bottom to crown) 12”
Box Foundation 9” (Standard)
Bed Frame 7¼“
Set (including frame) (floor to mattress crown) 28¼“

• Eastern King = 76x80
• California King = 72x84
• Queen = 60x80
• Full = 54x75 (Double)
• TXL = 38x80 (Twin Extra Long)
• Twin = 38x75
• Zippered mattress covers fit all models of the same size
• 2” Foam overlays fit all models with 2” Euro Top
• 3” Foam overlays fit all models with 3” Euro Top
• Add foam overlays and matching Euro Top gusset to upgrade any mattress model without a Euro Top.