Medline Guardian - Basic Rollator Walker is a rolling walker with a seat. Guardian Basic rollators provide all the necessary features of a medical walker at an affordable price. Each rollator folds for easy storage. The padded curved backrest and padded seat offer the perfect place to sit and rest when needed. There are height-adjustable arms to ensure a perfect fit. Ideal for use at home, work, anywhere. Each guardian rollator has four 6" wheels that roll smoothly across carpet and pavement. Walking frame is made of aluminum.