The Patented Mingle Easy party Plates are 9” in diameter. They have one food compartment and one “Universal Beverage Holder” which will accommodate a stemmed glass; water bottle; 12oz can; cocktail glass; or the ever-present plastic cups. The plates are made of Recyclable polystyrene plastic. And because the plate is dishwasher safe, it's REUSABLE making it much more practicle than throw-away plates.