The cylinder bottle has a square shoulder and a square heel. These food grade natural HDPE plastic bottles are a great choice for a wide variety of products. Economical and sturdy, these semi-flexible bottles are ideal for restaurant, laboratory and other commercial uses. Choose between flip tops, pumps, atomizers or standard lids. We carry plastic cylinder bottles in a variety of colors and sizes. Cylinder bottles are great for shampoos, personal care, cleaners, and many other applications.