Effortless pop-up assembly – simply squeeze the sides of the box and it pops into shape, ready to use, saving you valuable time. Dimensions – 3.5" L x 3.5" W x 3.5" D cupcake containers; insert diameter adjustable from 1.8" to 2.4", fitting mini cupcakes, regular-sized cupcakes, or jumbo cupcakes, suitable for packing muffins, cocoa bombs, cookies, macarons, candies, etc. Recyclable and sturdy cardboard material – made from extra-sturdy, food-grade cardboard paper, providing stronger weight-bearing capacity for safer transport and being more environmentally friendly than plastic packaging. Package quantity and shipping – 50 individual cupcake holders + 50 inserts only, cupcakes not included; shipped flat-packed to save storage space before use. Perfect for all event promotions – the large, clear window is ideal and professional for showcasing treats for bake sales, gift-giving, homemade goodies, and takeaway after parties like weddings, birthdays, baby showers, event celebrations, etc.