Way To Celebrate! White Treat Boxes are made of high-quality food grade cardstock paper measuring 6.25 x 6.25 x 3 assembly each set includes 3 boxes 3 cupcake inserts holding 4 cupcakes each and 12 cookie trays ideal for holding cupcakes cookies treats and many other desserts well and keep the items from tipping and damaging. Box is in blank with a clear window on the top that provides you with a clear view of the things inside of box and you can draw any patterns or decorate to perfectly match the party theme. It is flat with folded lines that you can assemble it easily.