Product Parameters:<br />1. Product Name: 40 inchesaluminum foil number-shaped balloons<br />2. Shape: number 1-9<br />3. Color: gold， silver<br />4. Specifications: about 40 inches (1" is about 2.54cm， not inflated)， height after inflating: 90cm， the size is only for reference.<br />5. Quantity: 1 PC<br />6. Application: wedding celebration decoration， children toys and the etc.<br />7. Use double-sided tape to the wall or where you need it.<br />Product Features:<br />1. Made of aluminum foil， with even color and beautiful shape.<br />2. Can be used repeatedly， easy to inflate and deflate (can be deflated by straw).<br />3. Self-sealing， directly clamp and seal after inflating.<br />Note:  You can fill it with air， hydrogen and helium. But filled balloons can not fly， only hydrogen-filled and helium-filled balloons of more than 18 inches can fly.