Separate Top & Bottom and Hinged Design:12 compartment cupcake boxes plastic cupcake containers is a 2 piece container, separate top & bottom,4 pack. The hinged lid gives large room for sturdy and frosting cupcake decorations. Material and size:Outer Dimensions: 13\"L x 11\"Wx 3.35\"H. Bottom cup diameter: 2\".clear high-quality plastic will display your cupcakes/muffins in an elegant and special way, these cupcake holders are BPA Free and made of recyclable PET plastic which an excellent water and moisture barrier. Freshness seal & Strong Locks:Superior Locks which will not open during transportation, it closes easily by matching up and snapping shut the four locking grooves around the perimeter of the container, your cupcakes will arrive safely and to ensure a guaranteed freshness seal, so you can be assured it will be in the same shape and taste from when they were originally crafted! Sturdy & Economic design: Each container is designed and crafted to tolerate any amount of stacking. Because of the economical design no matter how many are stacked the boxes will take up little space and Great for travel,and party or event. Disposable&Reused:The disposable holders are BPA free to provide a safe eating experience, and can be washed, air-dried and re-used several times.