All Zellers sold basic groceries such as dry snacks and other prepackaged foods. Prepackaged meals may come with a disposable plastic spork. The snack-sized, prepackaged desserts are diverse. Other prepackaged meals were also marketed before Swanson's TV Dinner. It is an alternative to reheating prepackaged meals in a microwave oven. Professionally-built ice cream trucks that sell prepackaged foods are called "novelty trucks". Medrol dose packs are prepackaged forms of regular methylprednisolone for oral use. Prepackaged mixes allow for almost instant idlis. Other products include starter boxes which are prepackaged to include certain figures. Instant "naengmyeon" noodles are available, with the soup broth prepackaged with the noodles. Net quantity declarations on prepackaged products sold to consumers may be stated in metric units. This contrasts with some other prepackaged coffee preparation systems. Narcan Nasal Spray is prepackaged, requires no assembly, and delivered a consistent dose. Through the CPAN, Perl users can download any of a vast number of prepackaged modules. There are mass-produced, prepackaged brands such as Oroweat.