These set of bowls are good for storing, mixing or serving. There is no need to worry about leftover dips anymore. Serve them in these bowls and store the leftovers in the fridge. Screw-closed lids keep the stored food fresh. The bowls are stackable when in use and nest inside each other for space-saving storage when not in use. Serve and store in style. 3 Pieces glass serving bowls with lids and a Tray are both functional and effective. Each glass serving bowl features its own screw-on lid. This set of Glass Bowls is a kitchen essential and includes the right size bowl for almost every storage, prep, mixing and serving need! Using glass for food storage provides a safer alternative to traditional plastic storage methods that contain harmful chemicals that can leach into food!