king mattresses on sale near me in trichy growell beds and furnitures trichy Soft PU foam mattresses are a popular choice for many individuals seeking comfort and support in their sleep. PU foam, short for polyurethane foam, is a type of foam that's commonly used in mattresses due to its supportive properties and ability to contour to the body's shape. When referring to soft PU foam mattresses, it typically means that the foam used in the mattress has a lower density, resulting in a softer feel.