416 Continous 13 gauge double tempered bonnell coil
Butterfly sidewall firm perimeter border support for true comfy sleep surface 
Stretch Bamboo button patterned quilted fabric cover with black taped edges
2'' medium firm soy foam in euro
1'' support foam at the bottom
Lumbar support insulator fiber pad as support base
Quilted patterned border 
Dimesnions
Single: 38'' x 75''
Double: 53'' x 75''
Queen: 60''x 80''
King: 76''x 80''