• All technologies patented by Sealy. It has a perimeter base which prevents the mattress from deforming on the edges.
• Spring arm sensor benefits adaptation, Num. Springs Ind 405, Mat 520, Queen 598, Kng 815
• Sealy Patented 520 Technology, 520 Series includes the best materials for you to rest and disfurt this mattress as one of the best, high-density memory foam gel
• It has a high level of comfort, provides better alignment support in the spine, greater stability and greater durability.
• Support from Semi Firm to Smooth, Edge Guard syste. Perimentral support, strengthens all edges of the mattress and prevents deformation.