This food-grade cookie box is made of high-quality cardboard, which is safe and sturdy. It has a transparent window on the top, allowing you to see the contents inside the box clearly. A set includes 50 cookie boxes with windows and thank-you stickers. The size is 4 x 4 x 2.5 in. suitable for holding pies, small cakes, doughnuts, cookies, chocolates, candies, etc. It can be decorated with twine, stickers, and ribbons. The box is in a flat pre-folded design, making it easy to assemble, disassemble, and store. This baking box is suitable for packaging holiday gifts, displaying and selling baked products, and can be used for weddings, birthdays, parties, bride gift-giving events, and various festival occasions. It supports DIY personalized decoration. Color: White. Material: Paper.