Party Dimensions 00550 12" Disposable Aluminum Compartment Platter, Case of 5. This item is available in 3 sizes and two styles, all have coordinating lids. Available in 12", 16" and 18" in both a flat tray style and compartment tray style. Great for Picnics, BBQ, Dinner Parties, Holidays, Offices, Kitchens and more! Disposable Product.