FX-format(L) 6

we combine auditory neuroscience with music

the compact and lightweight design features sealing for dust and moisture resistance

beneficial frequency stored within the hologram

and far ranges

Simmons Beautyrest Silver BRS900 Medium Cal King Mattress - 700810101-1070 2220 FX-format(L) 6Increased Durability Beautyrest Silver is engineered to maintain its shape and consistent comfort over the life of your mattress; so that your sleep will be every bit as restful years from now as it is today. Beautyrest Silver Mattress Collection A better you begins with a better night's sleep. The lasting resilience of Beautyrest Silver ensures you'll Be More Awake every day for years to come. World's Premier Support System 900 Series Beautyrest