Sauces, Sides and Sweets Polystyrene Plastic Containers Upscale wide-mouth design showcases signature menu items. Sauces, Sides And Sweets portion containers are great for use with everything from chips and wings to fruits and desserts. Featuring a wide-mouth opening that is perfect for dipping and scooping, the low-profile design of these containers presents a more upscale look to showcase signature menu items. Pair with one of the five leak-resistant lid options to keep dipping sauces, side dishes and tasty treats safe when on-the-go.