DescriptionThese number balloons are perfect for birthday or anniversary party decoration. The jumbo design makes it as a wonderful backdrop in any occasion. It can not only create happy atmosphere for the party, but also allow you to take memorable pictures with it. Perfect party accessories.Features- Color: Black. - Material: Aluminum foil. - Normal size: Approx. 98 x 77cm/ 38.6 x 30.3 inch (LxW). - Inflated dia.: 40 inch. - Can be used repeatedly, no extra knot, self-sealing valve, convenient inflation and deflation. - With a hole on the bottom, convenient for linking to a rope or nice-looking pendant. - Nice decoration for birthday and anniversary parties. They will add more happy atmosphere to your gatherings.