Made of aluminum film material, this welcome back balloon is and decorative, letter design, suitable for back to the school party. Could be used to decorate classroom wall, window, stage, and as you can imagine creating a happy atmosphere. Features -Color:Silver -Material:Aluminum film -Size:46.00X40.00X0.10cm/18.08X15.72X0.04in -Great decoration for reunion party to welcome your family members or friends, a rustic decor at school party. -Create a wonderful photo booth with our balloons and mix them with other decorations for a more stunning look. -The words"welcome back" is very clear, unique letter balloon, a great way to welcome a new semester. -The decorations balloon can be used outdoor or indoor to celebrate employees back to workplace or students back to classes. -A nice accessory for first day of school decoration, also serve as photo backdrop to take pictures. Package list: 3 x set of balloons