Memory FoamFoamonline.com
Description:

Memory Foam, also known as Viscoelastic Foam, is a high-quality foam that conforms to your body shape. Memory foam was developed for space shuttle seating and is currently used for mattresses and therapeutic applications.

Specifications:

Weight: Medium Soft – 3.2 lb. per cubic ft.
Soft – 4.0 lb. per cubic ft.
Density: 2.80 ±15% – 4.0
25% IFD 12.0 ± 3.0 lbs
Color: White/Yellow
Flammability: Cal 117 Pass
FAR 25.853(B) Pass