Package Includes : 3 balloon boxes. With the letter "ONE" and 20 balloons (red*4, purple*4, blue*4, pink*4, yellow*4). Material and Size : The cabinet is made of high-quality thick paper and transparent plastic, durable. Each balloon box measures 11.8 x 11.8 x 11.8 inches (30 x 30 x 30 cm). You can stack them together. The height of 3 boxes is approximately 35.4 inches (about 90 cm). Easy to Assemble : Just fold the boxes as instructed in the picture, and the installation is complete, then paste "O""N""E"on the box. You can put a few balloons in the box or put other decorations in the box to create a unique party, You can reuse it many times. Applicable Scene ：It can be a beautiful decoration for the baby's first birthday. You can use it to showcase at birthday parties or other anniversary parties to create a fantastic backdrop for your party. Make memories for your friends and family that will last a lifetime. Customer Satisfaction Guaranteed：If there is a quality problem and transportation damage problem, you can choose to exchange or refund the goods for free. Material and Size : The cabinet is made of high-quality thick paper and transparent plastic, durable. Each balloon box measures 11.8 x 11.8 x 11.8 inches (30 x 30 x 30 cm)