... ,comfortable 3. Health care products 4. Diverse choices Open cell memory foam, breathable, comfortable.It has a good function of health care ... and fatigue eliminate.Cutting the PU foam into simple shape like square, rectangle, or according the drafts ... will be the best!!! Thank you very much!Best regards!Foam density (kg/m3 & lbs/ft3)Size/ Dimension(Structure)Usage/ Application ...