isense mattress store in trichy growell beds and furnitures trichy A memory foam queen size mattress is a mattress that is sized to fit a queen size bed frame and is primarily made of memory foam material. Memory foam is a type of polyurethane foam that reacts to heat and pressure, conforming to the shape of the body and providing personalized support and comfort. It is known for its ability to relieve pressure points and reduce motion transfer, making it a popular choice for mattresses.