Photo 1 of Avenco 12 Inch King Size Mattress, Hybrid Mattress in a Box with Independent Spring, Soft and Comfort Medium Firm King Mattress, Edge Support, Pressure Relief, Back Pain Relief, CertiPUR-US.

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Photo 1 of Avenco 12 Inch King Size Mattress, Hybrid Mattress in a Box with Independent Spring, Soft and Comfort Medium Firm King Mattress, Edge Support, Pressure Relief, Back Pain Relief, CertiPUR-US.Photo 2 of Avenco 12 Inch King Size Mattress, Hybrid Mattress in a Box with Independent Spring, Soft and Comfort Medium Firm King Mattress, Edge Support, Pressure Relief, Back Pain Relief, CertiPUR-US.Photo 3 of Avenco 12 Inch King Size Mattress, Hybrid Mattress in a Box with Independent Spring, Soft and Comfort Medium Firm King Mattress, Edge Support, Pressure Relief, Back Pain Relief, CertiPUR-US.