MATTRESS SET 2PC TWIN SIZEMATTRESS SET 2PC TWIN SIZESUPPORTIVE BONNELL PACKED COILS FOR ASUPPORTIVE BONNELL PACKED COILS FOR ALONG TERM SUPPORTLONG TERM SUPPORTSUPER EDGE PLUS OFFERS ADDED COMFORTSUPER EDGE PLUS OFFERS ADDED COMFORTAND MORE SURFACE AREA FOR BETTERAND MORE SURFACE AREA FOR BETTERSUPPORTED NIGHT'S SLEEPSUPPORTED NIGHT'S SLEEPMULTIPLE HIGH DENSITY AND COMFORTMULTIPLE HIGH DENSITY AND COMFORTPOLYURETHANE LAYERS GIVE LONG TERMPOLYURETHANE LAYERS GIVE LONG TERMCOMFORTCOMFORTINCLUDES MATTRESS AND BOXINCLUDES MATTRESS AND BOX