A team of independent mattress manufacturers founded Serta in 1933. The manufacturers created Serta's flagship mattress, the Perfect Sleeper, and has since then developed other mattresses with different innovation and technology for the upmost comfort and support. Serta sells ... Read Morefour different mattress types, including the Perfect Sleeper, iComfort, iSeries, and other Serta mattresses. The Serta Tranquility Super Firm Crib Mattress comes in white with counting sheep graphics and a checkered pattern. The mattress features an ortho-insulated design and polyester fiber layers for a firm and safe mattress. The mattress's cover has an anti-bacterial and anti-microbial protection to keep the mattress clean. Another mattress Serta offers is its Tranquility Extra Firm Mattress, which is the perfect sleeping surface for your baby. The Serta Tranquility Extra Firm Crib Mattress features extra firm, balanced support within the mattress's coils and border wire. The mattress has a laminated cover with sheep graphics and a cotton top layer for extra comfort for your baby.
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