Shop Serta Twin Firm Mattresses


The Serta firm twin mattress, measuring 38” wide by 75” long, is made to sleep one person and can fit into almost any space (they’re typically found in guest rooms and children’s rooms). A thin layer of foam softens the top of the firm mattress, while the stiffer remaining layers maintain firmness. Firm mattresses are good transitional beds, as they’re easier for young children to stand on while learning to walk.

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  • $1,399.00 - $2,399.00
     or as low as  $19.43/mo All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
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