bed stores nearby in trichy growell beds and furnitures trichy A PU foam mattress is a type of mattress made primarily from polyurethane foam. Polyurethane foam is a versatile material that can be manufactured to have varying densities and firmness levels, making it suitable for different types of mattresses. PU foam mattresses are known for their affordability and durability. They provide good support and comfort, although they may not contour to the body as closely as memory foam mattresses. However, advancements in technology have led to the development of high-density PU foams that offer better pressure relief and support.