The Canadian stores of Walmart, the largest retail chain in the world, sell many different categories of mattress, in many different sizes and depths. These mattresses are manufactured by the world’s top brands like Sealy, Serta and Simmon. They are not only very comfortable and healthy, but they are also stylish in look, which blends in perfectly with your overall room and adds to its look. Walmart stores are located in as many cities as one can name. Scarborough, Montreal, London, Vancouver- everywhere!