Kurlon Foam Mermaid 5 inch Mattress features softvisco elastic foam (memory foam), which adjusts to the body weight and temperature. This Visco elastic foam in the Mermaid mattress eases pressure points by aiding blood circulation. The Kurlon Foam Mermaid Mattress is a dual comfort mattress that comes with breathable bonded foam and HR foam. The firm side of the mattress is made up of breathable bonded foam to give you support to spine and neck. The mermaid mattress is quilted with imported polyester bonded fabric.