MATERIAL & CONSTRUCTION Elfreda 12 Inch Pillow Top Hybrid Mattress Is Made With 1.5 inch Pillow Top Layer, 2-inch Memory Foam Plus High Density Foam Layer And 8.5-inch Individually Wrapped Coil Innerspring Layer.Full SIZE: 54'' W x 75''L x 12''H/ 137CM x 191CM x 31CM Safe and HEALTH Elfreda Hybrid mattress designed with Pillow top memory foam and pocket springs, Meets Federal Flammability Standard 16 CFR 1633.The Memory Foam Mattress Is Made Of Low VOC Foam, Free Of PBDEs, TDCPP Or TCEP ("Tris") Flame Retardants, Ozone Depletes, Mercury, Formaldehyde, Lead And Heavy Metals. Great Motion Isolation Individually Pocket Spring Mattress Work Deliver Enhanced Comfort Outstanding Support And Provide An Equal Weight Distribution By Contouring To The Curves Of Your Body, Relieving Pressure Points And Restlessness Through Motion Isolation，Keep quiet and not disturb your Sweetheart. which is are able to offer sleepers a good night sleep by offering enough support and releasing pressure points.