Bed line rebound 20 cm - Bed line rebound

 Main component: compressed medical sponge. Rebound mattress specification: 15 cm high 
A block of cut and compressed foam treated with special materials for rigidity.
 Double-sided foam layer
 A layer of Vaseline upholstered with a double-sided cloth
 A layer of soft foam upholstered with a double-sided cloth
 A layer of fiber upholstered with fabric on both sides