king mattress stores in trichy growell beds and furnitures trichy dual-sided foam mattress, also known as a reversible foam mattress, is a type of mattress that features different firmness levels on each side. This design allows the user to flip the mattress over to choose the desired level of firmness, providing versatility and potentially extending the lifespan of the mattress. Dual-sided foam mattresses are often made with high-density foam or memory foam layers on both sides, providing consistent support and comfort regardless of which side is facing up. This design can be particularly beneficial for couples who have different firmness preferences or for individuals who want the flexibility to adjust their sleeping surface.