 Have you noticed that the number of box stores that sell bed mattresses is dwindling? There's a reason why people that dip their toes into the water of bed mattresses end up buying a Derby mattress at Derby. Lower everyday prices that beat the box store sales prices every day. Also, Derby mattress is the only store in town that has natural organic latex with no man-made foams, as well as two-sided mattresses. For everyday low prices, put a Derby mattress at 105 South Baltimore in Derby today.