Memory Foam Mattress:
1)as a buffer absorb press
2)cervical,lumbar vertebra prevention
3)reduce tired state,circulate blood

1.

 Photos:

                                                       Folding Compressed Memory Foam Mattress

                                              Folding Compressed Memory Foam Mattress

2.

Top Quality Compressed Memory Foam Mattress is made from MEMORY FOAM material, which like a buffer absorb body press, then sink, but won't express the strong rebound, just offer the average force to support the body. circulate our blood, reduce the tired quickly.