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June 2023
June 2023

Twin 12" Hybrid Mattress-in-a-Box and Foundation

SKU: 1xM80X12+1xM69711
Elgin Price: $523.00
Mattress Only
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The Dennison 12" Hybrid Twin 12" Hybrid Mattress-in-a-Box and Foundation, made by Sierra Sleep, is brought to you by Elgin Furniture. Elgin Furniture is a local furniture store, serving the Cleveland, Euclid, Mentor, Willoughby, Wickliffe area. Product availability may vary. Contact us for the most current availability on this product.
  • Hybrid
  • Cushion Firm
  • Tight Top
  • No Flip
  • Mattress in a box


Individually Wrapped Coil Unit
Individually Wrapped Coil Unit
Each coil is individually wrapped then secured to allow individual movement for maximum support while helping minimize body motion transfer for a peaceful night's rest.
Without sacrificing quality or comfort, this mattress has been pressed, vacuum sealed, and rolled into a box so it can conveniently be brought right to your door. No maintenance or assembly required.


This item consists of:

Sku Item Qty Width Depth Height Price
M69711 Twin 12" Hybrid Mattress 1 12" $339.00
M80X12 Twin Foundation 1 37.5" 74" 9" $184.00
Construction & Materials
Comfort Layers 1" Upholstery Grade Comfort Support Foam; 1/4" High Density Gel Memory Foam Lumbar Support
Edge Support Two Perimeter Rows of 9" 13.0 Gauge Pocketed Coils for Edge Support.
Top Description Quilted Cover
Coils and Support 680 (Queen) Individually Pocketed Coils
Style Elements
Mattress Type Hybrid
Mattress Top Style Tight Top
Mattress/Bed Size Twin
Features & Function
Coil Count Twin 360; Full 528; Queen 680; King 805; Cal King 823
Comfort Level Cushion Firm
Features No Flip
Features Mattress in a box
Item & Dimensions
Manufacturer Sierra Sleep
How to Shop For a Mattress
Sleep Health and Habits Guide
Sleep Health and Habits Guide
Adjustable Base Buying Guide
Reference #: 1xM80X12+1xM69711
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Twin 12" Hybrid Mattress Set
Sierra Sleep Dennison 12" Hybrid Twin 12" Hybrid Mattress Set
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