Rubbermaid Servin Saver is a high-quality plastic container with easy-to-read markings. The screw cap lid allows to shake and mix the liquid. Rubbermaid Servin Saver also comes with a durable cap to pour the liquid and avoid spillage. The plastic container is ergonomically built to give enough grip to your fingers while you hold the container. This beverage container from Rubbermaid comes with a compact design which makes it easy to use and store.